Zack Kelly is a Bronze 71 OVR Closer card for the Red Sox, part of the Live set in MLB The Show's Diamond Dynasty. He throws right-handed. The card was added to Diamond Dynasty in April 2026.

On the mound, Zack Kelly works with a 5-pitch arsenal led by a 96 mph 4-Seam Fastball and a 95 mph Sinker. His pitching ratings include 99 Velocity, 63 Control, and 95 Break. The profile favors a movement-heavy arsenal built to miss bats.

On the Diamond Dynasty market, Zack Kelly currently buys for about 40 stubs, with sell orders near 0 stubs. Over the past 7 days the buy price has fallen roughly 30%. Its quick-sell value of 12 stubs sits at or above the sell price, making it quick-sell viable. DiamondOps currently rates the card a buy at this price.

OpScore is DiamondOps' composite rating of a card's in-game performance value. Zack Kelly earns an OpScore of 71.5 on Legend difficulty, ranking #889 among all cards and #48 among Closers.