Coby Mayo

Coby Mayo is a Silver 75 OVR Third Baseman card for the Orioles, part of the Live 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 April 2026.

At the plate, Coby Mayo's standout tools are 105 Power and 85 Contact. His profile leans toward power at the plate.

Coby Mayo is eligible at 3 positions, and DiamondOps scores each one separately: Third Baseman (61.3), First Baseman (59.9), and Designated Hitter (59.3) on All-Star. The card is strongest at its listed position, Third Baseman, at every difficulty. At Third Baseman the card scores 61.3 on All-Star, 55.2 on Hall of Fame, and 51.9 on Legend — retaining 85% of its All-Star value. Among Third Basemans the card ranks #131 on All-Star and #179 on Legend.

On the Diamond Dynasty market, Coby Mayo currently buys for about 68 stubs, with sell orders near 0 stubs. Over the past 7 days the buy price has climbed roughly 8%. Its quick-sell value of 50 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. Coby Mayo earns an OpScore of 51.9 on Legend difficulty, ranking #2726 among all cards and #179 among Third Basemans.

Live Series cards like Coby Mayo's are the ones Diamond Radar scores: it reads a player's real MLB production and predicts what the next roster update will do to the card — the predicted rating, the tier jump, and how likely the upgrade is. Ratings only move at a roster update, and not every Live Series card is scored in a given window. Model v11: of the 162 cards it scored 70 or above in its 1 graded update, 72% were upgraded, against 21% by chance: 3.5× better.