| Player: Thomas White | |||||||||||
| Org: Miami Marlins | Highest Level: Triple A | Position(s): LHP | |||||||||
| Height: 6’5″ | Weight: 240 lbs. | Bats: Left | Throws: Left | ||||||||
| Summary: Three legitimate put-away pitches from a long-levered frame with a compact arm stroke that generates deception well into the release — White creates a look from a high three-quarter slot that gives hitters almost no reference point until the ball is already on them. The fastball sits 94-97 and touches 99-100 with elite vertical life and arm-side movement that generates swing-and-miss against both platoons when elevated. A sweeping low-to-mid-80s slider with massive lateral action misses bats at an elite rate against hitters from either side, and a changeup that took a meaningful developmental step now eliminates spin effectively with arm-side fade that neutralizes right-handed hitters and locates reliably out of the danger zone. All three pitches operating as genuine weapons simultaneously gives the profile a ceiling that very few left-handed pitchers can match. Command is the persistent barrier and the variable that separates the realistic projection from the ceiling. A delivery timing issue with the lower half loading differently than the upper half creates inconsistent release points and elevated walk rates that the raw arsenal has to compensate for — the margin the stuff provides is substantial, but inefficient innings have been the pattern when the timing drifts. The athleticism gives confidence the delivery can be refined, and the mental ability to sharpen execution with runners on base is an encouraging sign that the command can be accessed when the stakes demand it. The mid-rotation starter ceiling is the realistic projection — the frontline upside is genuine and the three-pitch quality gives it real credibility, but the delivery history makes it the optimistic scenario rather than the expected one. Even without the command fully clicking, the arsenal quality gives the profile a useful rotation floor that holds up against advanced competition. | |||||||||||
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
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