Coby Mayo — Red Diamond 99 OVR First Baseman Overview
Coby Mayo is a Red Diamond 99 OVR First Baseman card for the Orioles, part of the Spotlight set in MLB The Show's Diamond Dynasty. He bats right-handed. He is also eligible at Third Baseman. The card was added to Diamond Dynasty in September 2026.
At the plate, Coby Mayo's standout tools are 125 Power, 125 Contact, and 90 Arm Strength. His profile leans toward power at the plate. Notable quirks include Breaking Ball Hitter, Fighter, and Rally Monkey from a total of 6 quirks.
Coby Mayo is eligible at 3 positions, and DiamondOps scores each one separately: Designated Hitter (101.0), First Baseman (100.0), and Third Baseman (95.6) on All-Star. Which slot is best depends on how you play — Designated Hitter on All-Star, Designated Hitter on Hall of Fame, and First Baseman and Designated Hitter level on Legend. At Designated Hitter the card scores 101.0 on All-Star, 97.4 on Hall of Fame, and 91.3 on Legend — retaining 90% of its All-Star value. Among First Basemans the card ranks #20 on All-Star and #44 on Legend.
On the Diamond Dynasty market, Coby Mayo currently buys for about 13,679 stubs, with sell orders near 11,530 stubs. Over the past 6 days the buy price has fallen roughly 42%. Flipping at current buy and sell prices nets roughly 779 stubs, about a 7% return. DiamondOps currently rates the card a buy at this price.
OpScore is DiamondOps' composite rating of a card's in-game performance value. Coby Mayo earns an OpScore of 91.3 on Legend difficulty, ranking #536 among all cards and #44 among First Basemans.
Common questions
- What is Coby Mayo's overall rating in MLB The Show 26?
- Coby Mayo is a 99 OVR Red Diamond First Baseman for the Orioles.
- Is Coby Mayo a good card in MLB The Show 26?
- Among First Basemans, Coby Mayo ranks #20 on All-Star, #27 on Hall of Fame, and #44 on Legend by OpScore — DiamondOps' difficulty-aware rating: it weights the attributes that decide at-bats and recomputes them for each difficulty, whereas in-game Overall is a single number that does not change with the level you play on.
- What quirks does Coby Mayo have in MLB The Show 26?
- Coby Mayo has 6 quirks: Road Warrior, Breaking Ball Hitter, Fighter, Rally Monkey, Situational Hitter, and Night Player.
- How much does Coby Mayo cost in Diamond Dynasty?
- The last recorded buy-now price was 13,679 stubs. Prices move constantly on the in-game marketplace — the chart on this page tracks the card's real history rather than a single snapshot.
Where to go next
Every link below comes from this card's own series, team, rarity, position, or the collections and programs it belongs to.
- Legends and Flashbacks — SpotlightA collection this card counts toward.
- Spotlight — August Retro LightningA collection this card counts toward.
- Best First BasemenThe top first basemen in the game, ranked by OpScore.
- Best Third BasemenThe top third basemen in the game, ranked by OpScore.
- Spotlight CardsEvery Spotlight card, filterable by position, team and rating.
- Orioles CardsEvery Orioles card in the game, with live market prices.
- Red Diamond CardsEvery Red Diamond card, ranked by overall rating.
- High Diamonds (85+ OVR)Overall is one number that never changes with difficulty. Two 87s can be a full tier apart in practice, which is what OpScore on each row is for.
- Diamond RadarWhich cards our model predicts will be upgraded at the next roster update.