Diego Castillo finished the shortened-2020 campaign with 3 W, 4 SV, 1.66 ERA, 1.06 WHIP, and 23 K across 21.2 IP and finished as the RP19. Practically doing away with his four-seam fastball, the 26 year old threw his slider at a surprising 64.7% clip, and despite the slight dip in K-rate from previous seasons the results were very promising. He posted career-bests in O-Swing%, Contact%, and SwStr% while boasting a 2.13 GB/FB and 24.1 Hard%. Castillo was one of only two relievers with a GB% ...