Scouting Report

Scouting grades: Fastball: 55 | Curveball: 50 | Slider: 55 | Changeup: 55 | Control: 50 | Overall: 50

Johnson City HS, located in a tiny Texas town of 2,000 an hour west of Austin, had never produced a professional baseball player nor a single pick in the first 60 Drafts until Slawinski came around. His combination of projectability and polish made him one of the top prep left-handers available and the best pitching prospect in the Lone Star State. The Angels took him in the third round, and using some of their savings from Tyler Bremner’s deal, signed the southpaw for more than twice slot with a bonus of $2.5 million.

Slawinski currently deals at 90-93 mph and touches 95 with a fastball that plays better than its velocity thanks to its riding action and the quality extension he creates. He uses two different breaking balls, with his upper-70s slider flashing two-plane depth and showing the potential to become a plus offering with more consistency than his mid-70s curveball. He also exhibits nice feel for a low-80s changeup with significant fade.

A four-sport athlete (baseball, football, basketball, track), Slawinski gets down the mound exceptionally well with advanced control for a high schooler. He also was a talented left-handed hitter with plus speed, though his future unquestionably lies on the mound. Once he fills out his 6-foot-3 frame and benefits from the coaching and technology available in pro ball, he could have three plus pitches.

Video scouting report »

Scouting grades: Fastball: 55 | Curveball: 50 | Slider: 55 | Changeup: 55 | Control: 50 | Overall: 50

Johnson City HS, located in a tiny Texas town of 2,000 an hour west of Austin, never has produced a professional baseball player nor a single pick in the first 60 Drafts. That should change in July with Slawinski, whose combination of projectability and polish makes him one of the top prep left-handers available. He's easily the best pitching prospect in the Lone Star State and projects to go in the first two rounds.

Slawinski currently deals at 90-93 mph and touches 95 with a fastball that plays better than its velocity thanks to its riding action and the quality extension he creates. He uses two different breaking balls, with his upper-70s slider flashing two-plane depth and showing the potential to become a plus offering with more consistency than his mid-70s curveball. He also exhibits nice feel for a low-80s changeup with significant fade.

A four-sport athlete (baseball, football, basketball, track), Slawinski gets down the mound exceptionally well with advanced control for a high schooler. The Texas A&M recruit is also a talented left-handed hitter with plus speed, though his future unquestionably lies on the mound. Once he fills out his 6-foot-3 frame and benefits from the coaching and technology available in pro ball, he could have three plus pitches.

Transactions

Team	Date	Transaction
	08/11/2025	LHP Johnny Slawinski assigned to ACL Angels.
	07/18/2025	Los Angeles Angels signed LHP Johnny Slawinski.
	06/03/2025	LHP Johnny Slawinski assigned to College Workout.
	09/10/2024	LHP Johnny Slawinski III assigned to High School Workout.