Notes on prospects from lead prospect analyst Eric Longenhagen. Read previous installments here.

Bubba Thompson, CF, Texas Rangers
Level: Low-A   Age: 20   Org Rank: 5   FV: 45
Line: 4-for-6, HR

Notes
Were Bubba Thompson wrapping up his season with poor numbers, I’d be excusing it based on context. A multi-sport high-school athlete who had focused solely on baseball for just one year, Thompson also had his reps limited, after he signed last summer, due to nagging lower-body issues. I expected him to hang back in extended spring training and then head to Spokane in June. Instead, after a month in extended, Thompson was pushed by Texas to a full-season affiliate as a 19-year-old. He’s hitting .295/.350/.460 with 28 extra-base hits in 323 PAz and 28 steals in 35 attempts. He’s projects as a center fielder with power.

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Notes on prospects from lead prospect analyst Eric Longenhagen. Read previous installments here.

Mark Vientos, 3B, New York Mets
Level: Appy   Age: 18   Org Rank: 7   FV: 45+
Line: 3-for-3, 2B, BB

Notes
The Mets have made effectual changes to Mark Vientos’s swing since he signed. His stance has opened up and his hands set up in a way that has enabled him to lift the ball better than he did in high school, especially pitches on the inner half. His hands are more alive and powerful than they were a year ago, and Vientos has launched balls out the other way even when he doesn’t fully square them up. His size/build might eventually cause a tumble down the defensive spectrum (he’s been projected off of shortstop to, at least, third base since he was a high-school underclassman), which would mean power alone won’t be enough to enable him to profile. His early-career contact rates are positive, especially considering Vientos doesn’t turn 19 until December.

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Fringe Five Scoreboards: 2017 | 2016 | 2015 | 2014 | 2013.

The Fringe Five is a weekly regular-season exercise, introduced a few years ago by the present author, wherein that same author utilizes regressed stats, scouting reports, and also his own fallible intuition to identify and/or continue monitoring the most compelling fringe prospects in all of baseball.

Central to the exercise, of course, is a definition of the word fringe, a term which possesses different connotations for different sorts of readers. For the purposes of the column this year, a fringe prospect (and therefore one eligible for inclusion among the Five) is any rookie-eligible player at High-A or above who (a) was omitted from the preseason prospect lists produced by Baseball Prospectus, MLB.com, John Sickels, and (most importantly) FanGraphs’ Eric Longenhagen and Kiley McDaniel* and also who (b) is currently absent from a major-league roster. Players appearing within Longenhagen and McDaniel’s most recent update — and the updates published by Jeffrey Paternostro of Baseball Prospectus and John Sickels at Minor League Ball — have also been excluded from consideration.

*Note: I’ve excluded Baseball America’s list this year not due to any complaints with their coverage, but simply because said list is now behind a paywall.

For those interested in learning how Fringe Five players have fared at the major-league level, this somewhat recent post offers that kind of information. The short answer: better than a reasonable person would have have expected. In the final analysis, though, the basic idea here is to recognize those prospects who are perhaps receiving less notoriety than their talents or performance might otherwise warrant.

Brock Burke, LHP, Tampa Bay (Profile)
A third-round selection out of a Colorado high school in 2014, Burke has had the capacity to hit 95 mph for much of his professional career but has struggled to consistently hold his velocity from start to start. “I’d be down to 87-90 at times,” he told FanGraphs’ David Laurila in a post from June. “Now I’m more consistent with ranges, and my velo isn’t dropping at the end of games.”

Burke attributes at least part of his development to a Driveline Baseball program in which he participated with other Rays pitchers. “It was definitely beneficial,” said Burke. “It got me in better body shape, which has helped my accuracy and my velo.”

Whatever the cause, Burke has been excellent of late. Following an early-July promotion to Double-A Montgomery, Burke has recorded strikeout and walk rates of 33.6% and 6.2%, respectively, in 36.2 innings. The differential of 27.4 points between those two figures would represent the highest such mark among qualified Double-A pitchers. Burke was characteristically strong in his most recent start, recording an 8:2 strikeout-to-walk ratio against 28 batters over 7.0 innings (box).

Burke seemed to have the most success with his fastball in that start earlier this week. Here, though, is footage of the one his better curveballs:

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As reported by Ken Rosenthal of The Athletic, the Philadelphia Phillies acquired first baseman Justin Bour and cash considerations from the Miami Marlins for a minor-league pitcher who is yet to be named.

That a first baseman who can hit a little bit went in a minor August trade is another data point on just how little first baseman with some offensive pep are valued in baseball in 2018. It kind of makes you wonder about the team’s public stance to not let their players go cheaply; while Bour’s oblique injury came at a bad time for a deadline trade in 2017, I can’t help but think that a hitter coming off a .289/.366/.536 season could have fetched more than this over the winter. Yes, Bour has larger-than-typical platoon splits for a left-handed batter, with a 210-point difference in career OPS vs. RHP and LHP, but in some ways, that actually makes it easier for his new club to find a role for him. Also, he makes practically nothing in baseball terms ($3.4 million in 2018) and has two additional years before free agency.

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The Arizona Diamondbacks bolstered their bullpen depth today, hours before the 4pm deadline, bringing back submariner Brad Ziegler from the Miami Marlins in return for right-handed reliever Tommy Eveld.

It sometimes feels like Brad Ziegler shouldn’t have a career. He throws 85 mph and doesn’t strike anybody out (at least relative to other pitchers), yet he has a 2.72 ERA over a decade-plus as a major leaguer. Ziegler’s firmly on the back end of his career — he’ll turn 39 during the playoffs — but it’s not like he has a fastball to lose. I’m convinced he could keep doing this until he’s 50 or so. I don’t usually go nuts over short-term season splits, but three runs allowed in his last 29 games is a darn good run, so you can make a good case that he’s found that special sorcery groove he thrives on.

Among relievers between 2008 and -18 (the range of his major-league career), Ziegler ranks second in baseball in terms of earned runs saved over what FIP suggests.

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All morning long, on Twitter, I found myself wading through Zach Britton rumors. At seemingly any moment, Britton could be off for one of the top contenders, looking to stabilize the back of the bullpen. It’s not hard to explain Britton’s appeal — though his performance hasn’t been outstanding since returning from the disabled list, he still throws hard, and the sinker still sinks, so he looks close enough to the guy he used to be. Britton is good. If he’s healthy, he’ll get a lot of outs.

Britton’s a lefty. Of course, we just saw another prominent lefty reliever get moved last week, when the Indians added Brad Hand. I want to make it clear now that there’s a difference between “most interesting” and “best.” There’s a great chance that Hand will be the trade deadline’s best lefty. I just can’t help but search off the radar, and, to get to the point, I’d like to talk about Adam Conley. I don’t know if he’ll actually get moved by the Marlins, since he’s under club control through 2021, but I’ve seen enough rumors about Kyle Barraclough and Drew Steckenrider to believe it’s a possibility. A team in the Marlins’ position shouldn’t be hoarding relievers. And if a contender is looking for a bullpen southpaw, Conley deserves a serious look.

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Notes on prospects from lead prospect analyst Eric Longenhagen. Read previous installments here.

Luc Rennie, RHP, New York Mets (Profile)
Level: Low-A   Age: 24   Org Rank: NR   FV: 30
Line: 7 IP, 4 H, 0 BB, 0 R, 14 K

Notes
Rennie is four appearances deep into his first year back in affiliated ball since 2015, when he was with Baltimore. He’s spent the last several seasons with Evansville in the independent Frontier League and was injured for a portion of that time. He was dominant for the Otters this spring and signed with the Mets earlier this month. Last night he pitched the game of his life and struck out 14 hitters, a Columbia franchise record, with most of them coming on a plus upper-70s 12-6 curveball. Rennie has five pitches. His fastball has natural cut, he has a two-seamer, an average mid-80s slider, that curveball, and a below-average changeup. He’ll run the fastball up to 95 but sits 90-92 and mixes his breaking balls well. Rennie is carrying a 0.83 ERA through 21.1 innings at Low-A.

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As is tradition during the All-Star break, yesterday I wrote about the worst called ball of the first half. Per usual, it was a called ball on a pitch more or less right down the center of the zone. It always has to be that kind of pitch, given the method behind the research in the first place. Called balls like that aren’t very common — there’s no reason for them to be very common — but they always exist. Or, at least, to this point, they have always existed. Baseball has always given me something.

When you write about the worst called ball, it’s also obligatory to write about the worst called strike. The worst called ball is the ball closest to the center of the strike zone. The worst called strike is the strike furthest from the nearest edge of the strike zone. I don’t look forward to this post as much, because the balls down the middle are just funnier to me. But that doesn’t mean there’s nothing to learn, or nothing to appreciate. Every bad call is special. Let’s look at the call that’s been the most bad.

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In recent memory alone, the conduct of Marlins owners has been defined largely by questionable judgment, from the purchase of a team whose payroll they could not afford to the alleged pocketing of revenue-sharing monies that should have been put towards improving the on-field product. They have claimed to be based in the British Virgin Islands in hopes of taking a court case to arbitration and even sued season ticket-holders and vendors.

Legal aficionado Sheryl Ring addressed the absurdity of what the Marlins are doing:

That’s right: the Marlins obtained a judgment against a season ticket holder using as leverage the fact that his attorney suffered a heart attack. They then attempted to take away a building he owns to collect on that judgment — and all because he didn’t want to renew his season tickets.

[…]

Because, consider: the Marlins haven’t sued just their fans; they’ve also sued ballpark concession vendors who, due to low attendance, were unable to stay in business and thus renew their contracts or pay the $2 million entry fee charged by the team.

What makes that tactic strange is that those lawsuits include claims against companies that have filed for bankruptcy protection, which means that the team is engaged in expensive litigation against entities that may have little or no ability to pay back the amount the team says it’s owed.

You could say that the Marlins are conducting a peculiar type of experiment: what happens when a team alienates its fans to such a degree that no one is left to watch.

As images like the following reveal, the experiment appears to be working.

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Not every franchise is in a position to enjoy the present. Each year, 10 clubs qualify for the postseason, meaning 10 fanbases experience some form of pleasure. The supporters of the other 20 teams, however, are necessarily forced to contend with various levels of discontent. Some are able to recall recent success, if not much hope for the near future. Those who follow the Giants and Royals belong to this category. Others, like those in San Diego or the south side of Chicago, endure the present while waiting for an Astros- or Cubs-style turnaround. For these fanbases, “[The] Past and to come seem best; things present [the] worst.”

One club that is forced to dwell only on the past and future is the Miami Marlins. They certainly have past glories: they’ve won the World Series in their only two playoff appearances. Their present, however, is just as certainly is bleak. Since 2011, the club has endured a spending spree that went nowhere; the resulting sell-off; the death of a bright, young talent; another firesale; a deteriorating relationship between management and their best player; and… yeah… it’s rough for the Marlins.

That said, there are some reasons for hope in Miami. All those sell-offs and losing seasons have allowed the club to acquire some promising prospects. In the low minors, the upper minors, and even at the major-league level, there are players in the Marlins’ system about whom analysts and fans can get excited. Going into the season, the two players expected to have spend the most time with the Marlins were Lewis Brinson and Brian Anderson. Brinson has struggled thus far, to the tune of a .188/.231/.347 slash line, a 54 wRC+, and -0.4 WAR (All-Star campaign notwithstanding). Brian Anderson has had a more successful debut, however, giving Marlins fans their first taste of hope for a brighter future.

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