Top Baseball Prospects for 2015
Now updated for 2015's Top Prospects
Scouting Book's Top Prospects list is a Combined List, a calculated summary of the overall valuations of the entire prospect universe.
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A mature prospect in the Boston stable, righthander Alex Wilson has already shown the ability to perform as both starter and reliever in the minors, most recently going 5-3 in three starts and 37 relief appearances for the PawSox in 2012. He posted a 3.72 ERA, striking out 78 (but walking 33) in 73 total innings. As a reliever, he'll use a mix of fastballs from a high three-quarter arm slot to set up a nicely-commanded slider that's always been his strikeout pitch. His changeup is average, but he won't need to use it as a reliever, anyway, other than as an occasional surprise. He has little left to prove in the minors and should help the big club as a middle-to-late relief specialist in 2013.
More Scouting Book Info on Alex Wilson
SB 211 BA SC BP SN ES ML
If there's one thing the Detroit farm has in spades, it's left-handed pitching, so it's not surprising that they dealt some of that surplus, including young Brian Flynn, for deadline help in 2012. A huge, sturdy power pitcher with good control, Flynn brings a heavy, heavy 96mph fastball down and in on hitters, and it's almost always enough to send them back to the bench. With a dominating mound presence and enough control to hold games in check, he's a fascinating upside guy in a crazy Miami system that could be going anywhere.
More Scouting Book Info on Brian Flynn
SB 212 BA SC 99 BP SN ES ML
The younger brother of Oriole prospect John, righthanded pitcher Mitch Keller was selected and signed by the Pirates at the tail end of the 2014 Draft's second round. The younger Keller's fastball is a 92-94mph offering that can be slightly flat, but Keller controls it well and can maintain his velocity late into games. More impressive is the tilted curve that's gained a lot more break in the last year or two, and a better than average changeup that looks good in limited use so far. He'll be developed slowly, no doubt, but he could be a solid middle-of-the-rotation candidate for the Pirates only a couple of years from now.
More Scouting Book Info on Mitch Keller
SB 213 BA SC BP SN ES ML
A 2011 Golden Spikes Award finalist at the University of Texas, righthander Talor Jungmann was drafted by the Brewers in the first round and signed with big bonus money. He's already a polished and complete pitching package with crazy-good stuff and a nice-and-easy delivery, albeit one with an odd and twitchy follow-through. Perhaps best of all, he's the rarest of flamethrowers: the kind who doesn't fall in love with his own heat, preferring to dismantle hitters with changing speeds and great lateral control. He looked great in high-A ball in 2012, compiling a professional 11-6 record with a 3.53 ERA and 1.34 WHIP for the Manatees. He did show a little more wildness than expected, though, which means he really needs to rein himself in while preparing for AA's more patient and dangerous batters.
More Scouting Book Info on Taylor Jungmann
SB 214 BA SC BP SN ES ML
A high-school catcher whose future looks to be behind the plate, Baltimore prospect Chance Sisco has a good arm and soft hands, as should be expected, and his body does indeed look more like a catcher than infielder to us. At the plate, he should be able to bring his solid contact skills and quick bat to bear in the minors, while power may take a few years to really show up.
More Scouting Book Info on Chance Sisco
SB 215 BA SC BP SN ES ML
The Milwaukee Brewers fourth round selection in the 2012 draft, Tyler Wagner is a fast-rising righthander who shoes off exceptional pitchability. In other words, while he might not have devastating heat or unhittable stuff, he quite simply knows what he's doing on the mound. His sinking fastball is a 94mph offering that he commands well, mixing in an average change and a sometimes-excellent slider, but it's the way he commands and controls all three that keep hitters guessing, at least for the most part.
More Scouting Book Info on Tyler Wagner
SB 216 BA SC BP SN ES ML
Jonathan 'Mac' Williamson is a quick rising outfield prospect in the San Francisco system. Drafted in the third round in 2012, Williamson is an athletic ballplayer with a sweet power stroke. After signing, Mac quickly disposed of rookie ball and landed in low-A Salem, where he slashed an impressive .342/.392/.596 line in 29 games.
More Scouting Book Info on Mac Williamson
SB 217 BA SC BP SN ES ML
A lefthanded pitcher who also looks good in the outfield, high-schooler Trey Ball is probably the best of the 2013 draft class when it comes to viable two-way players. As a pitcher, Ball brings a fastball/slider/change combination from an easy three-quarter arm slot, with the slider being his best pitch at the moment. His velocity lasts deep into games, further supporting the scouting eye view that he has 'clean' mechanics. At the plate, he shows a quick bat that generates good power, especially to the opposite field. He's a better than average baserunner, though not a true plus one. He's most likely to be given his first opportunity as a pitcher, but it's awfully nice to know he has quality athletic ability and baseball tools to fall back on, should that fail to work out.
More Scouting Book Info on Trey Ball
SB 218 BA 89 SC 54 BP SN ES ML 96
The Cardinals' first pick of the 2010 Amateur Draft (25th overall), Arkansas' Zack Cox was shipped to Miami at the 2012 deadline, and assuming Miami doesn't change course four more times in the next twelve months, he should see MLB action there this year. A toolsy player with a high-end mix of baseball instincts and work ethic. his bat speed is exceptional, and allows him to turn on even the best heat while also letting him adjust to off-speed pitches with an ease seldom seen in such a young player. He's still a bit rough defensively, but he'll have time to mature as a pro player while waiting for his MLB career to begin. His bat seems close to ready now: he was probably St. Louis's best overall offensive prospect when he was shipped two seasons ago.
More Scouting Book Info on Zack Cox
SB 219 BA SC BP SN ES ML
There's a pun somewhere about a player named Pentecost being a five-tool prospect, but we're not quite sure how to put it into words. What we can say is that Kennesaw State graduate Max Pentecost could be one of the most athletic catchers in the Majors if he stays at the position long enough to reach MLB. A strong-armed, strong-willed ballplayer with 'plus-for-a-catcher' speed, Pentecost shows an advanced ability to hit for both average and power, as his MVP award from the (wooden-bat) Cape Cod League demonstrates. By the end of the summer, Pentecost had racked up a .962 OPS by spraying balls all over the field, mainly on the back of a .346 average. He'll need to spend the usual extra time in the minors, but he's a special enough prospect, especially as a catcher, that he's worth keeping a close eye on.
More Scouting Book Info on Max Pentecost
SB 220 BA SC BP SN ES ML
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Top Prospects 2013