After working just 10 innings in two seasons at San Diego State, Ingrassia transferred and became Cal State Fullerton's closer in 2023. A 14th-round pick that July, he made a spectacular pro debut at Single-A in 2024. He recorded a 1.85 ERA while ranking second in the Minors (minimum: 50 innings) in strikeout percentage (39.6 percent) and third in strikeout minus walk percentage (31.1 percent).
Ingrassia's fastball parks at 91-93 mph and peaks at 95, but it plays better than its below-average velocity because he throws it from a low slot with crossfire that creates plenty of sink and horizontal action. His low-80s slider takes the same path but with more break and he's able to backfoot it against right-handers. His best offering is his mid-80s changeup, which fades in the opposite direction.
Ingrassia is able to create deception while providing consistent strikes. He spent the first six weeks of last season as a reliever before the Red Sox began stretching him out as a starter, and while he continued to dominate, he missed six weeks with elbow inflammation. He's probably more middle reliever than back-of-the-rotation starter, but he definitely opened eyes in his first taste of pro ball.
