Alfredo Duno is a Red Diamond 99 OVR Catcher card for the Reds, part of the Pipeline set in MLB The Show's Diamond Dynasty. He bats right-handed. He is also eligible at First Baseman. The card was added to Diamond Dynasty in August 2026.

At the plate, Alfredo Duno's standout tools are 110 Power, 110 Discipline, and 103 Contact. His profile leans toward power at the plate. Notable quirks include Dead Red and Breaking Ball Hitter from a total of 6 quirks.

Alfredo Duno is eligible at 3 positions, and DiamondOps scores each one separately: Catcher (112.2), Designated Hitter (106.8), and First Baseman (105.5) on All-Star. The card is strongest at its listed position, Catcher, at every difficulty. At Catcher the card scores 112.2 on All-Star, 108.3 on Hall of Fame, and 105.6 on Legend — it keeps 94% of its All-Star value at the top difficulty, which is unusually durable. Among Catchers the card ranks #1 on All-Star and #11 on Legend.

Alfredo Duno is not currently traded on the open Diamond Dynasty market — cards like this are typically earned through programs or collections rather than bought with stubs.

OpScore is DiamondOps' composite rating of a card's in-game performance value. Alfredo Duno earns an OpScore of 105.6 on Legend difficulty, ranking #48 among all cards and #11 among Catchers.