Matt Wallner is a Bronze 70 OVR Right Fielder card for the Twins, part of the Live set in MLB The Show's Diamond Dynasty. He bats left-handed. He is also eligible at Left Fielder. The card was added to Diamond Dynasty in April 2026.

At the plate, Matt Wallner's standout tools are 99 Arm Strength and 85 Power. His profile leans toward power at the plate. Notable quirks include Breaking Ball Hitter.

Matt Wallner is eligible at 3 positions, and DiamondOps scores each one separately: Right Fielder (63.2), Designated Hitter (62.7), and Left Fielder (61.1) on All-Star. The card is strongest at its listed position, Right Fielder, at every difficulty. At Right Fielder the card scores 63.2 on All-Star, 57.8 on Hall of Fame, and 55.6 on Legend — retaining 88% of its All-Star value. Among Right Fielders the card ranks #118 on All-Star and #165 on Legend.

On the Diamond Dynasty market, Matt Wallner currently buys for about 49 stubs, with sell orders near 0 stubs. Over the past 7 days the buy price has climbed roughly 40%. Its quick-sell value of 25 stubs sits at or above the sell price, making it quick-sell viable. DiamondOps suggests waiting for a better entry point.

OpScore is DiamondOps' composite rating of a card's in-game performance value. Matt Wallner earns an OpScore of 55.6 on Legend difficulty, ranking #2227 among all cards and #165 among Right Fielders.