Below is an analysis of the prospects in the Arizona Diamondbacks farm system. Scouting reports are compiled with information provided by industry sources as well as from my own observations. The KATOH statistical projections, probable-outcome graphs, and (further down) Mahalanobis comps have been provided by Chris Mitchell. For more information on thes 20-80 scouting scale by which all of my prospect content is governed you can click here. For further explanation of the merits and drawbacks of Future Value, read this. -Eric Longenhagen

The KATOH projection system uses minor-league data and Baseball America prospect rankings to forecast future performance in the major leagues. For each player, KATOH produces a WAR forecast for his first six years in the major leagues. There are drawbacks to scouting the stat line, so take these projections with a grain of salt. Due to their purely objective nature, the projections here can be useful in identifying prospects who might be overlooked or overrated. Due to sample-size concerns, only players with at least 200 minor-league plate appearances or batters faced last season have received projections. -Chris Mitchell

Other Lists
NL West (ARI, COL, LAD, SD, SF)
AL Central (CHW, CLE, DET, KC, MIN)
NL Central (CHC, CIN, PIT, MIL, StL)
NL East (ATL, MIA, NYM, PHI, WAS)
AL East (BAL, BOS, NYY, TB, TOR)

Relevant/Interesting Metrics
Strikeout rate dropped from 17% to 13% after promotion to Triple-A, while walk rate held steady at 8.5%.

Scouting Report
The Diamondbacks drafted Banda out of high school in 2011. He didn’t sign, though, and then matriculated to JUCO powerhouse San Jacinto in Houston. The Brewers drafted and signed him the next year and Banda spent two years struggling in Rookie-level ball before the Diamondbacks acquired him in the Gerardo Parra deal (along with Mitch Haniger) in July of 2014. Banda took off after that, went to the Futures Game this year and had success at Triple-A in the hitter-friendly environs of Reno.

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Back in January, I made some tweaks to my KATOH projection system, and have been using that updated model for the past several months. That model was unquestionably better than the previous versions, but it left me unsatisfied. While it addressed many of the flaws from previous iterations, there was still a lot of information it wasn’t taking into account.

I’ve been plugging away behind the scenes, and finally have a new version KATOH to share with the world. In what follows, you’ll find some detail on the new model, including its notable updates. I’ll be using this model in all of my prospect analysis from this point forward. Below, you’ll find a quick run-through of the notable tweaks, followed by an updated top-100 list.

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Added Features

Choosing projection window based on level, rather than age

In my previous model, I projected out based on a player’s age. If a player were 22, I projected him through age 28; If he were 24, I projected through age 30. This resulted in KATOH undervaluing players who were old for their level. The goal of KATOH is to predict the value a player will generate during his six-plus years of team control. By projecting a 22-year-old through age 28, KATOH failed to capture some of that value in cases where the 22-year-old was still in A-ball.

This time around, I chose my windows based on level, rather than age. I projected the next six seasons for players in Triple-A. I did the next seven for players in Double-A, eight for A-ballers, and nine for Rookie ballers.

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There’s a lot of info out there on a lot of prospects these days. Lead prospect analyst Dan Farnsworth has published detailed organizational lists for all 30 teams that typically run more than 30 deep. Similarly, Baseball America’s 2016 Prospect Handbook profiles the top 30 prospects in each organization.

However, each organization has far more than 30 or 40 players in its minor-league ranks. Using my KATOH projection system, I attempted to find the best of the rest. I’ve identified the players with the most promising statistical profiles who were omitted both from Dan’s organizational list and Baseball America’s organizational top-30 list. These are the players about whom no one is talking.

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Previous editions: Arizona / Atlanta / Baltimore / Boston / Chicago AL / Chicago NL / Cincinnati  / Cleveland / Colorado / Detroit / Houston / Kansas City / Los Angeles (AL) / Los Angeles (NL) / Miami / Milwaukee / Minnesota / New York (AL) / New York (NL)  / Oakland / Philadelphia / Pittsburgh / San Diego / San Francisco / Seattle / St. Louis / Tampa Bay / Texas / Toronto.

Yesterday, lead prospect analyst Dan Farnsworth published his excellently in-depth prospect list for the Washington Nationals. In this companion piece, I look at that same DC farm system through the lens of my recently refined KATOH projection system. The Nationals have the 16th-best farm system in baseball according to KATOH.

There’s way more to prospect evaluation than just the stats, so if you haven’t already, I highly recommend you read Dan’s piece in addition to this one. KATOH has no idea how hard a pitcher throws, how good a hitter’s bat speed is, or what a player’s makeup is like. So it’s liable to miss big on players whose tools don’t line up with their performances. However, when paired with more scouting-based analyses, KATOH’s objectivity can be useful in identifying talented players who might be overlooked by the industry consensus or highly-touted prospects who might be over-hyped.

Below, I’ve grouped prospects into three groups: those who are forecast for two or more wins through their first six major-league seasons, those who receive a projection between 1.0 and 2.0 WAR though their first six seasons, and then any residual players who received Future Value (FV) grades of 45 or higher from Dan. Note that I generated forecasts only for players who accrued at least 200 plate appearances or batters faced last season. Also note that the projections for players over a relatively small sample are less reliable, especially when those samples came in the low minors.

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1. Trea Turner, SS (Profile)

KATOH Projection: 8.8 WAR
Dan’s Grade: 60 FV

Turner scuffled in his first taste of big-league action last year, but previously did a bang-up job in the minors. Speed is Turner’s calling card, but he also showed a decent amount of power when he popped eight homers in the minors. Turner’s high-ish strikeout rates are a bit concerning, but his overall offensive package is extremely promising for a shortstop.

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The Nationals have an extremely interesting system, highlighted by a handful of consensus big-upside prospects in Lucas Giolito, Trea Turner, Victor Robles, and Reynaldo Lopez. Though it doesn’t have the name recognition throughout that some of the top-rated teams have, this is one of the more exciting organizations to cover as a prospector (prospectator?). The Auburn and Hagerstown affiliates may end up being the most exciting groups to watch by mid-season.

In general, the Nationals seem to have found a niche bringing in a ton of underrated hit-tool-heavy guys that are hitting their stride at the same time. Expect a lot of turnover with this list by next year, as the top guys are due for full-time gigs in Washington, and the upside prospects start to separate themselves a bit more. If you could criticize any part of the system, there are a few less high-upside arms in the lower minors than many teams like to stockpile. In terms of total value, however, this group doesn’t have a problem stacking up against the rest of the league.

Following the top four are a sizable number of 50+ prospects who provide the big-league club with sufficient low-cost resources to hold them over until their talented crop of players in the lower levels have time to sort themselves out. Though I find myself lower on a few popular prospects like Pedro Severino, Juan Soto and Rafael Bautista, I am equally more enthusiastic than most on less established players like Telmito Agustin, Kelvin Gutierrez and Taylor Hearn.

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Previous editions: Arizona / Atlanta / Baltimore / Boston / Chicago AL / Chicago NL / Cincinnati  / Cleveland / Colorado / Detroit / Houston / Kansas City / Los Angeles (AL) / Los Angeles (NL) / Miami / Milwaukee / Minnesota / New York (AL) / New York (NL)  / Oakland / Philadelphia / Pittsburgh / San Diego / San Francisco / Seattle / St. Louis / Tampa Bay / Texas.

Yesterday, lead prospect analyst Dan Farnsworth published his excellently in-depth prospect list for the Toronto Blue Jays. In this companion piece, I look at that same Toronto farm system through the lens of my recently refined KATOH projection system. The Blue Jays have the 28th-best farm system in baseball according to KATOH.

There’s way more to prospect evaluation than just the stats, so if you haven’t already, I highly recommend you read Dan’s piece in addition to this one. KATOH has no idea how hard a pitcher throws, how good a hitter’s bat speed is, or what a player’s makeup is like. So it’s liable to miss big on players whose tools don’t line up with their performances. However, when paired with more scouting-based analyses, KATOH’s objectivity can be useful in identifying talented players who might be overlooked by the industry consensus or highly-touted prospects who might be over-hyped.

Below, I’ve grouped prospects into three groups: those who are forecast for two or more wins through their first six major-league seasons, those who receive a projection between 1.0 and 2.0 WAR though their first six seasons, and then any residual players who received Future Value (FV) grades of 45 or higher from Dan. Note that I generated forecasts only for players who accrued at least 200 plate appearances or batters faced last season. Also note that the projections for players over a relatively small sample are less reliable, especially when those samples came in the low minors.

*****

1. Richard Urena, SS (Profile)

KATOH Projection: 6.2 WAR
Dan’s Grade: 45 FV

Although he played the entire year as a 19-year-old, Urena belted 16 homers as a shortstop in A-ball. His 21% strikeout rate and 3% walk rate speak to his unrefined plate discipline, but Urena’s so good in other areas that KATOH doesn’t much care.

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Previous editions: Arizona / Atlanta / Baltimore / Boston / Chicago AL / Chicago NL / Cincinnati  / Cleveland / Colorado / Detroit / Houston / Kansas City / Los Angeles (AL) / Los Angeles (NL) / Miami / Milwaukee / Minnesota / New York (AL) / New York (NL)  / Oakland / Philadelphia / Pittsburgh / San Diego / San Francisco / Seattle / St. Louis / Tampa Bay.

Last week, lead prospect analyst Dan Farnsworth published his excellently in-depth prospect list for the Texas Rangers. In this companion piece, I look at that same Texas farm system through the lens of my recently refined KATOH projection system. The Rangers have the fourth-best farm system in baseball according to KATOH.

There’s way more to prospect evaluation than just the stats, so if you haven’t already, I highly recommend you read Dan’s piece in addition to this one. KATOH has no idea how hard a pitcher throws, how good a hitter’s bat speed is, or what a player’s makeup is like. So it’s liable to miss big on players whose tools don’t line up with their performances. However, when paired with more scouting-based analyses, KATOH’s objectivity can be useful in identifying talented players who might be overlooked by the industry consensus or highly-touted prospects who might be over-hyped.

Below, I’ve grouped prospects into three groups: those who are forecast for two or more wins through their first six major-league seasons, those who receive a projection between 1.0 and 2.0 WAR though their first six seasons, and then any residual players who received Future Value (FV) grades of 45 or higher from Dan. Note that I generated forecasts only for players who accrued at least 200 plate appearances or batters faced last season. Also note that the projections for players over a relatively small sample are less reliable, especially when those samples came in the low minors.

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1. Nomar Mazara, OF (Profile)

KATOH Projection: 8.8 WAR
Dan’s Grade: 55+ FV Read the rest of this entry »

The top of the Blue Jays system saw an almost complete overhaul with the trades and promotions of the past year. It obviously has been for the best, as many of the organization’s first-year contributors played well last season — even if the minor leagues appear a little barren at a quick glance. Fortunately, the system remains filled with a lot of upside at the lower levels, and recent drafts have only helped to strengthen that depth, even if it is of the higher risk variety.

Anthony Alford is the only impact bat I see, with a few potentially useful position players in above the 45+ future-value line. Rowdy Tellez and Richard Urena both have upside with the bats, but each has enough question marks to keep them from being reliable prospects to project at the big-league level. I still like Max Pentecost’s chances of becoming an average producer, though that possibility is very dependent on his ability to return to health.

The pitching side is a bit stronger at the moment, headlined by Conner Greene and Sean Reid-Foley. I like both of their chances of remaining starters and being solid contributors, and there are a slew of lower-level hurlers with interesting qualities that could jump up this list by next year.

The strength of this system may be in the 40+ FV players and those who are just off the list. That group is filled with tremendous raw athletes, bounceback candidates and recent draftees with moderate upsides. While those kinds of profiles are risky for counting on any one prospect, the sheer volume of guys they have in those categories bodes well for a couple of them putting things together and moving toward higher end of the list.

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Previous editions: Arizona / Atlanta / Baltimore / Boston / Chicago AL / Chicago NL / Cincinnati  / Cleveland / Colorado / Detroit / Houston / Kansas City / Los Angeles (AL) / Los Angeles (NL) / Miami / Milwaukee / Minnesota / New York (AL) / New York (NL)  / Oakland / Philadelphia / Pittsburgh / San Diego / San Francisco / Seattle / St. Louis.

Last week, lead prospect analyst Dan Farnsworth published his excellently in-depth prospect list for the Tampa Bay Rays. In this companion piece, I look at that same Tampa farm system through the lens of my recently refined KATOH projection system. The Rays have the eighth-best farm system in baseball according to KATOH.

There’s way more to prospect evaluation than just the stats, so if you haven’t already, I highly recommend you read Dan’s piece in addition to this one. KATOH has no idea how hard a pitcher throws, how good a hitter’s bat speed is, or what a player’s makeup is like. So it’s liable to miss big on players whose tools don’t line up with their performances. However, when paired with more scouting-based analyses, KATOH’s objectivity can be useful in identifying talented players who might be overlooked by the industry consensus or highly-touted prospects who might be over-hyped.

Below, I’ve grouped prospects into three groups: those who are forecast for two or more wins through their first six major-league seasons, those who receive a projection between 1.0 and 2.0 WAR though their first six seasons, and then any residual players who received Future Value (FV) grades of 45 or higher from Dan. Note that I generated forecasts only for players who accrued at least 200 plate appearances or batters faced last season. Also note that the projections for players over a relatively small sample are less reliable, especially when those samples came in the low minors.

*****

1. Jake Bauers, 1B (Profile)

KATOH Projection: 8.2 WAR
Dan’s Grade: 45 FV

Bauers spent his age-19 season squaring off against High-A and Double-A pitchers, and more than held his own. Bauers didn’t show any glaring weaknesses offensively, and rode a 14% strikeout rate to a .273/.347/.422 batting line. Bauers doesn’t have the power of a traditional first baseman, but he excels in every other offensive area. Considering how young he’s been for his level, that’s quite an accomplishment.

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The Rangers have assembled a pretty amazing collection of talent, one that enabled them to participate actively in the trade market last season without mortgaging their long-term success. They have an impressive mix of offense and defense among their higher-end prospects, though the hitters in this system, particularly, give them one of the best offensive pipelines in the league. Not only have they continued to be aggressive on the international market, but they are making solid picks in the draft and seem to have figured something out as an organization when it comes to bringing athletic hitters along.

You’ll see mostly familiar names at the top of the list, though Joey Gallo’s ongoing contact issues keep him from appearing ahead of some of the Rangers’ more well-rounded prospects like Lewis Brinson and Nomar Mazara. I’m really expecting big things out of Brinson’s bat, as his combination of present ability and future development is unparalleled by most minor-league hitters in the game. Luis Ortiz is a bit of an enigma for me, because projecting his stuff makes him look like a rotation front-man, but projecting his body may have him resembling a front man from a different discipline.

Perhaps the two biggest surprises are at number seven and eight, with Ronald Guzman and Ariel Jurado appearing higher than elsewhere. Jurado’s presence is mostly a function of my grouping prospects by likely outcome rather than ceiling, since his floor seems to be as a big-league starter. Guzman, however, is a hit-first first baseman who hasn’t shown enough power to be a legitimate future big leaguer, but I like enough about his swing and expected physical development to see more than just good upside.

It’s an exciting time to be a Rangers fan, since their somewhat surprising run at the postseason makes them more fun to watch in the immediate future, while their vast array of quality prospects gives them plenty of ammunition to supplement the team. Should they need more reinforcements beyond promoting their higher-level guys, they have enough quality depth to swing another big trade this season.

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