| Player: Shawn Sullivan | |||||||||||
| School: Walsh Jesuit (OH) | Position(s): RHP | ||||||||||
| Height: 6′ | Weight: 185 lbs. | Bats: Right | Throws: Right | ||||||||
| Summary: There’s real electricity in the arm here, with pace, confidence, and intent standing out immediately when he’s on the mound. Sullivan works fast and attacks hitters, pairing an aggressive mentality with a high-effort delivery that generates premium arm speed. The operation can get noisy at times and control will wander, but the athleticism, tempo, and competitiveness give the look of an arm that wants the ball and isn’t afraid to challenge hitters. The fastball is the clear foundation, regularly sitting in the low-to-mid 90s and climbing into the upper-90s with late life at the top of the zone. It shows riding and cutting traits depending on release, and the pitch can dominate when he’s synced, producing empty swings even without perfect location. The breaking-ball mix is deep but still volatile: the slider flashes sharp bite in the mid-80s, while the curveball shows top-down shape with depth but can blend when his timing drifts. A mid-80s changeup rounds out the mix and has shown usable action, giving him a legitimate fourth pitch when he stays through it. The overall profile hinges on strike quality and delivery consistency. The stuff is loud enough for a starter look, and the ability to hold velocity deeper into outings points toward durability, but the effort level and control lapses create real reliever risk if things don’t tighten. Even in that scenario, the fastball alone gives him a chance to impact games late. If the breaking balls separate more consistently and the strike-throwing takes a step forward, there’s a starter path built on arm speed, aggression, and a fastball that misses bats at a high level. | |||||||||||
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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