The Call-Up: Kumar Rocker Jarrett Seidler and Timothy Jackson September 12, 2024 Share: > Image credit: © Benjamin Chambers/Delaware News Journal / USA TODAY NETWORK Subscribe to Baseball ProspectusKumar Rocker has taken an unconventional path to the majors, but he's leaving the minors as one of the best pitching prospects in baseball. 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 Kumar RockerTexas RangersThe Call-up Related Articles Fantasy Outfielders to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/28 0 Fantasy Shortstops to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/12 0 Tale of the Tape ’25: Josh Jung vs. Nolan Arenado $ by Carlos Marcano 2/05 0 Deep League Report ’25: AL Catcher $ by Nathan Grimm 1/24 0 What They’re Saying: Lowe, Keith, and Tork Edition $ by Howard Megdal 1/16 0 Latest Articles Five & Dive Episode 440: 2025 NL West Preview by Craig Goldstein, Jeffrey Paternostro, and Patrick Dubuque 2/28 0 Fantasy Outfielders to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/28 0 Tale of the Tape ’25: Lawrence Butler vs. Brenton Doyle $ by Carlos Marcano 2/28 1 Early ADP Analysis ’25: Outfield $ by Mike Gianella 2/28 9 Top-75 First-Year Player Draft Dynasty Rankings for 2025 $ by Jesse Roche 2/28 0 more chevron_rightchevron_right Jarrett Seidler Timothy Jackson More about: Kumar RockerTexas RangersThe Call-up Latest Articles Five & Dive Episode 440: 2025 NL West Preview by Craig Goldstein, Jeffrey Paternostro, and Patrick Dubuque 2/28 0 Fantasy Outfielders to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/28 0 Tale of the Tape ’25: Lawrence Butler vs. Brenton Doyle $ by Carlos Marcano 2/28 1 Related Articles Fantasy Outfielders to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/28 0 Fantasy Shortstops to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/12 0 Tale of the Tape ’25: Josh Jung vs. Nolan Arenado $ by Carlos Marcano 2/05 0 You need to be logged in to comment. Login or Subscribe