Fifth-Rounder Brandon Clarke Tosses Four Perfect Innings in Pro Debut

It was Red Sox prospect Brandon Clarke’s birthday Thursday night. It was also his professional debut, and he made sure to celebrate both milestones in style. To call his debut anything less than phenomenal would be an understatement. Pitching for the Salem Red Sox, Clarke showcased the potential that made him Boston’s fifth-round pick in the 2024 draft. Salem would go on to lose to the Fredericksburg Nationals, 7-4, and currently sits in second place in the Carolina League.

The 6-foot-4 left-hander dominated in four unhittable innings. Needing just 40 pitches to retire all 12 batters he faced, Clarke looked like he didn’t belong in Salem. He struck out five and did not allow a single batter to reach base, recording nine whiffs and a 75% strike rate. Of his five strikeouts, four were on sliders and sweepers. The final one came on a 97-mph fastball. The Fredericksburg batters were off balance and unable to do anything against him. The lack of hard contact made the performance even more remarkable. Of the seven balls in play Clarke allowed, six were groundouts and one was a foul pop-out.

Clarke has a low release height and good extension to go with a high leg kick and deceptive arm action. The left-hander uses four pitches: a fastball, slider, sweeper, and changeup. The fastball sits between 96 and 99 mph and tops out at 100. It lacks much movement, however, and his command and control of it are still works in progress. However, it has the potential to be a plus pitch.

His slider flashes bat-missing potential. and he can snap it off with tight rotation when he’s on with it.. He has trouble landing it in the zone, but if he can be consistent with it, it could be an average pitch for him. The sweeper seems to be his strikeout pitch, with a long, horizontal break. He uses it when he needs to get a whiff. Just like the slider, however, he lacks consistency with it and it currently looks slightly below-average to average. The changeup is very much a work in progress, with reduced arm speed that serves as a tell.

Clarke has the potential to be a multi-inning leverage reliever with the ceiling of a middle-of-the-rotation arm as he learns to make the most of his frame and velocity. The Red Sox are looking to develop him as a starter, and it's easy to dream on that potential after Thursday's performance.

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