| Player: John Holobetz | |||||||||||
| Org: Boston Red Sox | Highest Level: Double A | Position(s): RHP | |||||||||
| Height: 6’3″ | Weight: 190 lbs. | Bats: 6’3″ | Throws: 190 lbs. | ||||||||
| Summary: Holobetz is the kind of arm that doesn’t jump off the page until you watch him work. The fastball sits low-to-mid 90s and can touch higher, but the raw velocity undersells it — a low release height, strong extension, and ride create angles and barrel-missing ability that make it genuinely plus in execution. He pairs it primarily with a cutter, and that fastball-cutter combination has been the engine of his success. The command is real, the delivery is repeatable, and the walk rates reflect both. The secondary mix is where the profile gets more complicated. The slider flashes average with two-plane depth and serves as his primary put-away option, while the changeup trails the rest of the arsenal and remains the most developmental piece. Neither grades as a consistent weapon against advanced hitters, and that gap will be tested as he climbs. The likely floor here is a back-end starter with plus command and a fastball that plays above its grade is a valuable commodity. The ceiling depends on whether the slider or changeup takes a meaningful step, which would give him a true third option and extend his viability through a lineup multiple times. Without it, the fastball-command foundation is strong enough to carve out a bullpen role where that combination can play at full volume. | |||||||||||
Shaun Kernahan is the founder and lead writer of Three Quarter Slot, where he blends scouting precision with a storyteller’s eye for the human side of the game. Based in Parker, Colorado, he has covered baseball prospects at every level since 2013, delivering in-depth evaluations, draft analysis, and developmental insight. Over the years, he has built Three Quarter Slot into a trusted home for thoughtful prospect coverage, detailed scouting reports, and a grounded look at how talent evolves