Mason Montgomery is a Bronze 68 OVR Relief Pitcher card for the Pirates, part of the Live set in MLB The Show's Diamond Dynasty. He throws left-handed. The card was added to Diamond Dynasty in April 2026.

On the mound, Mason Montgomery works with a 3-pitch arsenal led by a 99 mph 4-Seam Fastball and a 97 mph 2-Seam Fastball. His pitching ratings include 99 Velocity, 61 Control, and 96 Break. The profile favors a movement-heavy arsenal built to miss bats.

On the Diamond Dynasty market, Mason Montgomery currently buys for about 33 stubs, with sell orders near 0 stubs. Over the past 7 days the buy price has fallen roughly 6%. 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. Mason Montgomery earns an OpScore of 62.1 on Legend difficulty, ranking #1315 among all cards and #192 among Relief Pitchers.