Rubbing Mud: Aroldis Chapman’s Slider and Fastball Adjustment Matthew Trueblood August 30, 2019 Share: > Image credit: USA Today Sports Subscribe to Baseball ProspectusHow has the Yankees' closer made up for a dip in velocity? 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 Aroldis ChapmanNew York Yankees Related Articles Gerrit Cole Is Changing Before Our Eyes B by Mario Delgado Genzor 2/20 4 The Yankees Love One Weird Trick $ by Daniel R. Epstein 1/27 0 TA: First Baseman Things First $ by Timothy Jackson 12/24 4 Five & Dive, Episode 431: Today, I am the greatest of all time! by Craig Goldstein, Patrick Dubuque, and Jeffrey Paternostro 12/24 0 TA: The Yankees Fix Their Center Field Problem, Sort Of, With Cody Bellinger $ by Ginny Searle 12/18 9 Latest Articles Early ADP Analysis 2025: Relief Pitchers $ by Mike Gianella 2/21 0 Top-40 Dynasty Relief Pitchers for 2025 $ by Jesse Roche 2/21 1 Forced Migration $ by Matthew Trueblood 2/21 0 In Search of Madness $ by Patrick Dubuque 2/21 1 Golden Age: Weeks of February 10 and February 17 $ by Matt Sussman 2/21 0 more chevron_rightchevron_right Matthew Trueblood @MATrueblood More about: Aroldis ChapmanNew York Yankees Latest Articles Early ADP Analysis 2025: Relief Pitchers $ by Mike Gianella 2/21 0 Top-40 Dynasty Relief Pitchers for 2025 $ by Jesse Roche 2/21 1 Forced Migration $ by Matthew Trueblood 2/21 0 Related Articles Gerrit Cole Is Changing Before Our Eyes B by Mario Delgado Genzor 2/20 4 The Yankees Love One Weird Trick $ by Daniel R. Epstein 1/27 0 TA: First Baseman Things First $ by Timothy Jackson 12/24 4 You need to be logged in to comment. Login or Subscribe