Luis Castillo’s Disappearing Changeup Mikey Ajeto March 3, 2023 Share: > Image credit: Steven Bisig-USA TODAY Sports Subscribe to Baseball ProspectusLuis Castillo's repertoire has changed over time, and with good reason(s). Full access to this article is for Premium Baseball Prospectus subscribers. Sign up today to get access to insightful analysis for the discerning baseball fan. Super-Premium - $66.99 / yearPremium - $45.95 / yearPremium Monthly - $6.99 / month Subscribe to Baseball Prospectus In This Article 0 Luis CastilloMariners Related Articles TA06: Retrospective Reliever Roundup $ by Patrick Dubuque 12/03 1 BSB: The Two Types of Night You Can Have B by Connor Farrell 5/20 0 TA: Acceptance, for Lack of Remedy $ by Patrick Dubuque 5/08 0 TA: That Don’t Impressly Much $ by Ginny Searle and Patrick Dubuque 1/29 1 Best of BP: Luis Castillo and the Pronator’s Triangle by Mario Delgado Genzor 12/29 0 Latest Articles Best of BP 2025: Sacrifices Must Be Made by Patrick Dubuque 12/26 0 Best of BP 2025: Speed Watch, featuring Chandler Simpson by Alexandra Whitley 12/26 0 Best of BP 2025: Chuck Dressen, A Man For Our Times by Steven Goldman 12/26 0 Best of BP 2025: Sorry We Missed You by Jeffrey Paternostro 12/26 0 Best of BP 2025: Understanding Swing Processes Through Bat and Pitch Tracking by Stephen Sutton-Brown 12/26 0 more chevron_rightchevron_right Mikey Ajeto More about: Luis CastilloMariners Latest Articles Best of BP 2025: Sacrifices Must Be Made by Patrick Dubuque 12/26 0 Best of BP 2025: Speed Watch, featuring Chandler Simpson by Alexandra Whitley 12/26 0 Best of BP 2025: Chuck Dressen, A Man For Our Times by Steven Goldman 12/26 0 Related Articles TA06: Retrospective Reliever Roundup $ by Patrick Dubuque 12/03 1 BSB: The Two Types of Night You Can Have B by Connor Farrell 5/20 0 TA: Acceptance, for Lack of Remedy $ by Patrick Dubuque 5/08 0 You need to be logged in to comment. Login or Subscribe