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 Rebuilding a Dynasty ’25: Starting Pitcher $ by Ryan Boyer 3/06 0 Fantasy Outfielders to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/28 1 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 Latest Articles Playing Time Battles 2025: NL West $ by Nathan Grimm 3/13 0 Playing Time Battles 2025: AL West $ by Ryan Boyer 3/13 0 BP Annual 2025 Excerpt: Cincinnati Reds B by Will Sennett and Nate Fisher 3/13 1 YCLIU: The Yankees Versus Pie $ by Steven Goldman 3/13 3 Top Billing $ by Matthew Trueblood 3/13 0 more chevron_rightchevron_right Jarrett Seidler Timothy Jackson More about: Kumar RockerTexas RangersThe Call-up Latest Articles Playing Time Battles 2025: NL West $ by Nathan Grimm 3/13 0 Playing Time Battles 2025: AL West $ by Ryan Boyer 3/13 0 BP Annual 2025 Excerpt: Cincinnati Reds B by Will Sennett and Nate Fisher 3/13 1 Related Articles Rebuilding a Dynasty ’25: Starting Pitcher $ by Ryan Boyer 3/06 0 Fantasy Outfielders to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/28 1 Fantasy Shortstops to Target in 2025 $ by Howard Megdal, Nathan Grimm, and Ryan Boyer 2/12 0 You need to be logged in to comment. Login or Subscribe