Luis Castillo

Pitcher Profile

Luis Castillo is a right-handed starting pitcher for the Seattle Mariners with a Stuff+ score of 113 (above avg — MLB average is 100). Posting 9.2 strikeouts per 9 innings, Castillo demonstrates solid strikeout numbers combined with above-average control (2.5 BB/9). Averaging 6.5 innings per start, the baseline projection targets 6.6 strikeouts per outing. The above-average ERA baseline (3.4) rounds out a high-upside projection profile.

PitchProphet's 4-layer model adjusts Castillo's 6.6-K baseline daily: L1 season stats → L2 weather & air density → L3 opponent K% splits → L4 park factors. On a neutral day vs. an average lineup, the target lines are 6.6 Ks, 3.4 ERA, 6.5 IP, and 2.5 BB/9. Colder weather and favorable wind add roughly 0.3–0.8 extra Ks; high-altitude parks like Coors subtract from the ERA side.

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