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Top 18 Prospects: New York Mets

Below is an analysis of the prospects in the farm system of the New York Mets. Scouting reports are compiled with information provided by industry sources as well as from our own (both Eric Longenhagen’s and Kiley McDaniel’s) observations. For more information on the 20-80 scouting scale by which all of our prospect content is governed you can click here. For further explanation of the merits and drawbacks of Future Value, read this.

Mets Top Prospects
Rk Name Age High Level Position ETA FV
1 David Peterson 22 R LHP 2019 50
2 Andres Gimenez 19 A SS 2020 45
3 Tomas Nido 23 AA C 2018 45
4 Ronny Mauricio 16 R SS 2023 45
5 Justin Dunn 22 A+ RHP 2019 45
6 Mark Vientos 18 R 3B 2022 45
7 Peter Alonso 22 AA 1B 2019 45
8 Desmond Lindsay 21 A OF 2020 45
9 Luis Guillorme 23 AA UTIL 2018 45
10 Thomas Szapucki 21 A LHP 2021 40
11 Chris Flexen 23 MLB RHP 2018 40
12 Marcos Molina 23 R RHP 2018 40
13 Tony Dibrell 22 A- RHP 2020 40
14 Anthony Kay 23 R LHP 2021 40
15 Gerson Bautista 22 A+ RHP 2019 40
16 Adrian Hernandez 17 R OF 2022 40
17 Gavin Cecchini 24 MLB 2B 2018 40
18 Jamie Callahan 23 MLB RHP 2018 40

50 FV Prospects

Drafted: 1st Round, 2017 from Oregon
Age 22 Height 6’6 Weight 240 Bat/Throw L/L
Tool Grades (Present/Future)
Fastball Slider Curveball Changeup Command
55/55 50/55 40/45 50/55 45/55

Peterson had a great junior year at Oregon in 2017, showing four good pitches and throwing more strikes than is typical for a pitcher his size. He sits 90-92 with heavy sink, will touch 95, and his fastball plays up because of good extension. He made heavy use of a slider that garners mixed reviews depending on if you’re talking to a scout (who consider it a 50/55) or someone looking at a Trackman readout (40/45), but it missed Pac-12 bats and should be fine even if it doesn’t spin a whole lot.

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Top 26 Prospects: Philadelphia Phillies

Below is an analysis of the prospects in the farm system of the Philadelphia Phillies. Scouting reports are compiled with information provided by industry sources as well as from our own (both Eric Longenhagen’s and Kiley McDaniel’s) observations. For more information on the 20-80 scouting scale by which all of our prospect content is governed you can click here. For further explanation of the merits and drawbacks of Future Value, read this.

Phillies Top Prospects
Rk Name Age High Level Position ETA FV
1 Sixto Sanchez 19 A+ RHP 2020 60
2 Scott Kingery 23 AAA 2B 2018 55
3 J.P. Crawford 23 MLB SS 2018 55
4 Adonis Medina 21 A RHP 2020 50
5 Franklyn Kilome 22 AA RHP 2019 50
6 Mickey Moniak 19 A OF 2021 45
7 Adam Haseley 21 A CF 2020 45
8 Jorge Alfaro 24 MLB C 2018 45
9 Jhailyn Ortiz 19 A- 1B 2021 45
10 JoJo Romero 21 A+ LHP 2019 45
11 Seranthony Dominguez 23 A+ RHP 2018 45
12 Enyel De Los Santos 22 AA RHP 2019 45
13 Daniel Brito 20 A 2B 2020 40
14 Arquimedes Gamboa 20 A SS 2021 40
15 Luis Garcia 17 R INF 2023 40
16 Roman Quinn 24 MLB CF 2018 40
17 Kevin Gowdy 20 R RHP 2020 40
18 Spencer Howard 21 A- RHP 2020 40
19 Francisco Morales 18 R RHP 2022 40
20 Jose Taveras 24 R RHP 2018 40
21 Thomas Eshelman 23 AAA RHP 2018 40
22 Ranger Suarez 22 A+ LHP 2020 40
23 Dylan Cozens 23 AAA OF 2018 40
24 Cole Irvin 24 AA LHP 2019 40
25 Jake Holmes 19 R SS 2022 40
26 Jose Gomez 21 R UTIL 2020 40

60 FV Prospects

Signed: July 2nd Period, 2014 from Dominican Republic
Age 18 Height 6’0 Weight 185 Bat/Throw R/R
Tool Grades (Present/Future)
Fastball Slider Curveball Changeup Command
70/70 45/50 50/55 55/65 45/55

Hitters like to shorten up against Sixto after he’s blown well-placed, sinking, upper-90s gas past them for strikes one and two, which leaves them vulnerable to any of his three viable secondary offerings later in at-bats. Sanchez sits 95-99, has touched 102, and possesses advanced command. He has a long, cutting slider in the mid-80s and a two-plane curveball, both of which flash above-average, but his best secondary is a ghosting, mid-80s changeup which embarrassed hitters five years older than him at Hi-A last year.

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Eric Longenhagen Prospects Chat 3/27

12:03
Eric A Longenhagen: Morning, everyone. Sorry I’m a few minutes late, was having HTML issues with the Phillies list. Let’s get right to it…

12:03
Jed: What have you heard from Hunter Greene this spring? Has he started throwing? Was a bit of a mixed back last summer.

12:03
Eric A Longenhagen: Upper-90s, better breaking ball than last year.

12:03
Don: Is Joey Lucchesi a viable option in San Diego this year?

12:03
Eric A Longenhagen: Yes

12:04
Tommy N.: What distinguishes Kingery from Urias and Hiura and who do you personally prefer between the three?

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Top 18 Prospects: Washington Nationals

Below is an analysis of the prospects in the farm system of the Washington Nationals. Scouting reports are compiled with information provided by industry sources as well as from our own (both Eric Longenhagen’s and Kiley McDaniel’s) observations. For more information on the 20-80 scouting scale by which all of our prospect content is governed you can click here. For further explanation of the merits and drawbacks of Future Value, read this.

A’s Top Prospects
Rk Name Age High Level Position ETA FV
1 Victor Robles 20 MLB CF 2018 65
2 Carter Kieboom 20 A 3B 2021 55
3 Juan Soto 19 R OF 2020 50
4 Erick Fedde 25 R RHP 2018 45
5 Seth Romero 21 A- LHP 2019 45
6 Wil Crowe 23 A- RHP 2020 45
7 Blake Perkins 21 A CF 2020 40
8 Yasel Antuna 18 R SS 2021 40
9 Daniel Johnson 22 A+ OF 2020 40
10 Kelvin Gutierrez 23 A+ 3B 2019 40
11 Andrew Stevenson 23 R OF 2018 40
12 Luis Garcia 17 R SS 2022 40
13 Austin Adams 26 MLB RHP 2018 40
14 Brigham Hill 22 A RHP 2020 40
15 Anderson Franco 20 A 3B 2020 40
16 Rafael Bautista 25 R OF 2018 40
17 Jose Marmolejos 24 AA 1B 2018 40
18 Osvaldo Abreu 23 AA UTIL 2019 40

65 FV Prospects

Age 20 Height 6’0 Weight 185 Bat/Throw R/R
Tool Grades (Present/Future)
Hit Raw Power Game Power Run Fielding Throw
55/70 40/50 35/45 70/70 60/70 70/70

He’s barely played a month above A-ball, but Robles looked ready for the big leagues in 2017 and got a brief cup of coffee before finishing his season in the Arizona Fall League. He’s a polished, instinctive player capable of making an impact in every facet of baseball. Robles has great feel for all-fields contact and sneaky power for his size, which manifests itself in doubles and triples. He’s also a potential Gold Glove center fielder with breathtaking range and arm strength, and he was easily the best baserunner in the AFL, which features a pretty advanced group of prospects.

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Eric Longenhagen Prospects Chat: 3/20

12:02
Eric A Longenhagen: Hi, everyone. Some links before we get rolling….

12:02
Eric A Longenhagen: I wrote up a deep Marlins system: https://www.fangraphs.com/blogs/top-29-prospects-miami-marlins/

12:03
Eric A Longenhagen: And dumped some amateur notes: https://www.fangraphs.com/blogs/scouting-oregon-righty-matt-mercer-and…

12:03
Larry: Breakout Braves prospect from outside you and Kiley’s top 32?

12:03
Eric A Longenhagen: I think Anyelo Gomez is going to be very good.

12:03
Waltharius: Is there any updates on prep guys like Hankins, Gorman, Turang and Kelenic?

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Scouting Oregon Righty Matt Mercer and Top 2019 Prospects

Both Kiley and I will be posting in-person scouting reports on draft prospects we see throughout the spring. Well, summer and fall, too. Here is another dump of notes from Arizona and a recent trip to Southern California.
2018 Draft Board

Other in-person notes: Matthew Liberatore, Nick Madrigal, Luken Baker, Jake Wong, TCU Pitching

Oregon righty Matt Mercer threw six innings of two-run ball on Friday night against Arizona State. He struck out eight Sun Devils, walked four, and left scouts with lukewarm feelings about his stuff. Mercer was up to 96, sitting 91-94 throughout his outing, and ASU hitters squared it up pretty often. His best secondary offering was his above-average changeup, which has bat-missing fade and benefits from Mercer’s funky delivery. Neither of Mercer’s breaking balls nor his command impressed scouts. His below-average mid-80s slider lacked movement and mid-70s curveball was fringey. I thought his curveball flashed average and could mature there if it’s used more frequently.

On one hand, Mercer is a college arm up to 96 with an out-pitch changeup and potential average third offering, if you’re willing to project on one of his breaking balls. On the other, he has below-average command right now, not everyone likes his delivery and/or athleticism, and he’s already had one Tommy John. There are some foreseeable avenues that lead Mercer to league-average starterdom but more that run to the bullpen. In the bullpen, maybe his fastball ticks up and singular focus on his changeup means he’s a 60 fastball, 60 changeup reliever with some funk, a la Tyler Clippard.

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Top 29 Prospects: Miami Marlins

Below is an analysis of the prospects in the farm system of the Miami Marlins. Scouting reports are compiled with information provided by industry sources as well as from our own (both Eric Longenhagen’s and Kiley McDaniel’s) observations. For more information on the 20-80 scouting scale by which all of our prospect content is governed you can click here. For further explanation of the merits and drawbacks of Future Value, read this.

Marlins Top Prospects
Rk Name Age High Level Position ETA FV
1 Lewis Brinson 23 R CF 2018 60
2 Monte Harrison 22 A+ CF 2020 50
3 Jorge Guzman 22 R RHP 2021 50
4 Brian Anderson 24 MLB 3B 2018 50
5 Isan Diaz 21 A+ 2B 2019 50
6 Braxton Garrett 20 A LHP 2021 50
7 Magneuris Sierra 21 MLB OF 2018 50
8 Sandy Alcantara 22 MLB RHP 2018 50
9 James Nelson 20 A 3B 2021 45
10 Nick Neidert 21 AA RHP 2018 45
11 Trevor Rogers 20 R LHP 2021 45
12 Edward Cabrera 19 A- RHP 2021 45
13 Braxton Lee 24 AA OF 2018 45
14 Brian Miller 22 R CF 2020 40
15 Chris Torres 20 A- SS 2021 40
16 Jose Devers 18 R SS 2022 40
17 Dillon Peters 25 R LHP 2018 40
18 Pablo Lopez 22 A+ RHP 2019 40
19 Zac Gallen 22 AAA RHP 2019 40
20 Elieser Hernandez 22 A+ RHP 2018 40
21 Garrett Cooper 27 MLB 1B 2018 40
22 Jordan Yamamoto 21 A+ RHP 2020 40
23 Colton Hock 21 A- RHP 2020 40
24 Joe Dunand 22 A+ 3B 2021 40
25 Thomas Jones 20 A- OF 2022 40
26 Robert Dugger 22 AAA RHP 2020 40
27 Brayan Hernandez 20 AAA CF 2021 40
28 Jordan Holloway 21 A RHP 2020 40
29 Tyler Kolek 22 A RHP 2022 40

60 FV Prospects

Drafted: 1st Round, 2012 from Coral Springs HS (FL)
Age 23 Height 6’3 Weight 195 Bat/Throw R/R
Tool Grades (Present/Future)
Hit Raw Power Game Power Run Fielding Throw
40/50 65/65 50/60 60/55 50/55 60/60

Brinson has loud physical tools: plus raw power, plus speed, plus arm strength, and the ability to play center field despite mediocre instincts. He didn’t hit for as much power as was expected at hitter-friendly Colorado Springs in 2017, but scouting reports on the raw power, and Brinson’s ability to get to it in games, remain strong. Provided he’s able to make continuous adjustments — and he’s exhibited the ability to do that on his ascent through the minors — Brinson has 25-homer potential. He has had several soft-tissue, lower-body injuries during his career, including multiple hamstring issues, one of which ended his 2017 season. He’s still a plus runner underway but doesn’t reach top speed as quickly as he once did.

50 FV Prospects

Drafted: 2nd Round, 2014 from Lee’s Summit West (MO)
Age 21 Height 6’3 Weight 220 Bat/Throw R/R
Tool Grades (Present/Future)
Hit Raw Power Game Power Run Fielding Throw
30/45 60/60 30/55 60/60 45/50 80/80

This is what it looks like when things start to click on the baseball field for a premium athlete: a .272/.350/.481 line split between two levels, 51 extra-base hits (including 21 homers), and 27 bases stolen at a 87% success rate. Harrison has always had late-bloomer traits. He was a multi-sport stud — not multi-sport athlete, multi-sport stud — in high school and only committed to baseball full time after turning pro. In parts of three pro seasons entering 2017, Harrison missed time with a hamate fracture and broken leg, which prevented him from getting the reps he needed and diluted the way his tools looked on the field when he was.

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Eric Longenhagen Prospects Chat: 3/13

12:01
Eric A Longenhagen: Hello from Tempe. Just got back from seeing amateur ball in Southern California. Quick link drop before we start:

12:02
Eric A Longenhagen: In which I attempt to approximate Matthew Liberatore’s likely draft range by comparing him to other recent prep lefties: https://www.fangraphs.com/blogs/a-glance-at-matthew-liberatores-draft-…

12:03
Eric A Longenhagen: In which I dump some relevant big league scouting notes on Corey Kluber and others: https://www.fangraphs.com/blogs/scouting-corey-kluber-as-an-exercise/

12:03
Eric A Longenhagen: Okay, let’s begin…

12:03
Bernie: I’m intrigued by three Cardinals prospects who seem to get little publicity: Andrew Knizer, Adolis Garcia and to a lesser extent Harrison Bader. What are your thoughts on them?

12:04
Eric A Longenhagen: I think they all have a chance to be everyday players. Knizner as a bat-first catcher, Garcia needs to be more patient to get there, Bader is sneaky fast and viable in CF.

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A Glance at Matthew Liberatore’s Draft Stock

Because his high school is only about 40 minutes away via the 101 Loop in Arizona, I am going to see an awful lot of LHP Matthew Liberatore this spring. At the second of two fairly disparate starts from the senior, several teams picking in the top ten had a little extra heat in attendance to observe him. Indeed, after Liberatore sat 93-97 in his first start, there’s been some admittedly premature discussion about how high he might go in the draft. But now that we have a few appearances worth of information this spring, it’s reasonable to begin considering where he might go in June. We can do that by ignoring the other prospects in this year’s draft class and instead comparing Libby to other recent prep lefties.

This style of temperature check is useful for a few reasons. At some point, we have to line up every prospect in this year’s draft class, but it’s hard to do that with precision right now because evaluations are constantly shifting and we don’t know everything about things like signability or injuries. By comparing a current prospect — in this case, Liberatore — to his peers in previous draft classes, we’re now only dealing with one moving target and can more easily get an idea of where he’s likely to be selected.

There are several factors besides mere talent that influence where a player is selected in the draft — especially early in a draft — and, of course, the quality of talent in a given class is also relevant. We can’t control for that stuff and probably don’t need to because, again, we’re just trying to get a feel for a realistic range of potential outcomes.

With that in mind, here are the draft-day evaluations of the high-school lefties who have been taken in the first round since 2014. I have them listed in order of preference based on talent at the time they were drafted, with other factors (size, makeup, delivery) noted. The “x” indicates that attribute was essentially value neutral, or at least not so impactful that it affected the player’s stock. These were all future, not current, pitch projections, and if a kid had two breaking balls I just picked the better of the two.

First-Round High-School Lefties
Player Fastball Breaking Change Cmd Size Delivery Makeup Pick Bonus
Brady Aiken 60 70 55 55 x x x 1 $6.5*
MacKenzie Gore 55 60 60 60 x + 3 $6.7
Jason Groome 60 70 50 50 + x 12 $3.6
Kolby Allard 55 60 55 55 x x 14 $3.0
Braxton Garrett 50 60 55 60 x x x 7 $4.1
D.L. Hall 60 60 50 50 x x 21 $3.0
Cole Ragans 50 50 60 60 x + + 30 $2.0
Justus Sheffield 55 55 50 50 x x 31 $1.6
Trevor Rogers 60 50 45 50 + x x 13 $3.4
Kodi Medeiros 60 60 45 40 x 12 $2.5
*Reported agreed upon bonus with Houston before UCL issue was discovered during physical

So where does Matthew Liberatore stack among this group? Last week, he was up to 94, sitting mostly 91-92 for most of his start, with a fairly upright delivery that I think negatively impacts extension. His slowest fastball was at 88; it came from the stretch late in his start. Liberatore’s curveball flashed plus several times. It’s fair to question if a 70-72 mph curveball will be effective in the big leagues, but there’s remarkable feel for spin here and it’s likely Liberatore’s breaking ball will have more power to it at maturity. He flashed an above-average changeup, which projects to plus at peak as he utilizes it more in pro ball.

From a strike-throwing and consistency perspective, Liberatore was disappointing. He failed to get on top of many fastballs and breaking balls, forcing a number of pitches to sail up and to his arm side. The quality of his stuff was also inconsistent throughout much of his outing. He’s a good athlete for his size and has some room on his frame for more mass, so it’s possible more velocity is coming. As the spring rolls on, this evaluation is likely to change a little but, but right now here’s where we think Liberatore is at.

First-Round High-School Lefties
Player Fastball Breaking Change Cmd Size Delivery Makeup Pick Bonus
Brady Aiken 60 70 55 55 x x x 1 $6.5*
MacKenzie Gore 55 60 60 60 x + 3 6.7
Jason Groome 60 70 50 50 + x 12 $3.6
Matt Liberatore 55 60 60 50 + x x ? ?
Kolby Allard 55 60 50 50 x x 14^ $3.0
Braxton Garrett 50 60 55 60 x x x 7 $4.1
D.L. Hall 60 60 50 50 x x 21 $3.0
Cole Ragans 50 50 60 60 x + + 30 $2.0
Justus Sheffield 55 55 50 50 x x 31 $1.6
Trevor Rogers 60 50 45 50 + x x 13 $3.4
Kodi Medeiros 60 60 45 40 x 12 $2.5
*Reported agreed upon bonus with Houston before UCL issue was discovered during physical.
^Allard missed time with a stress reaction in his back as a senior

Groome and Allard probably go higher in their respective drafts if not for off-field and injury issues, respectively. I think it’s fair to place Liberatore in the picks No. 3 to 7 range right now, just based on how his talent stacks up with recent precedent. A lot can still happen between now and the draft to change this. If his velocity ticks comfortably into the mid-90s as the draft approaches, we’re talking about something closer to Gore than to Garrett. We can use similar methodology (especially during the summer prior to a draft) across a draft class to loosely tier players, while being mindful of changing industry norms. As the draft approaches, though, it’s necessary to polish up the order within a given tier or move players around because of makeup, medicals, and other considerations.


Scouting Corey Kluber as an Exercise

In my weekly chats or in the comments section of certain posts, readers often ask a question like, “Does Pitcher X have ace potential?” or some variant of it. While it makes sense that people would be curious about such a thing, the answer is (by definition) almost always “No.” Because there are so few aces in the majors, the probability that any prospect would develop into one is necessarily low.

When I’m at games — and especially when I’m at spring-training games — I’ll occasionally run into someone like Corey Kluber, though. And while I realize nobody’s wondering if Kluber has a chance of succeeding in the majors, there’s some value in writing up guys like this as an exercise, to illustrate what an ace looks like on paper. So that’s what I’ve done here. (Note, as well: context is important when reading the following, as it’s the product of an abbreviated spring look.)

Kluber was 90-92 in my viewing, with enough movement on his fastball to merit a half-grade bump. That’s about 1.5 ticks slower than his average fastball velocity from last year, but this is typical of early-spring Kluber. I put a 55 on his fastball while observing im and imagine it’s plus during the season when he’s throwing harder.

He mixed in a cutter, slider, changeup, and a curveball. The cutter was 86-88 with tight, late movement. It was consistently plus, flashing plus-plus, and Kluber put it where he wanted to when he wanted to. It’s likely that the slider and curveball are the same pitch and that Kluber can just manipulate the shape and depth of the pitch, but the ball acts differently enough when Kluber does this that he functionally has both, even if the catcher puts down the same sign for both. When his breaking ball behaved more like a curveball, it was a 50, a deep, but blunt, 80-82 mph curveball. The slider was one of the best I’ve ever seen, and Kluber threw a few 80-grade sliders in the outing, while most were 70s in the 83-85 mph range. These had more horizontal movement and, like everything else Kluber does, located with precision. I saw a few changeups that I thought were average.

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