Jonathon Long

Jonathon Long is a Bronze 66 OVR First Baseman card for the Free Agents, part of the Live 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 May 2026.

Jonathon Long grades out at 68 Arm Strength, 67 Fielding, and 59 Power.

Jonathon Long is eligible at 3 positions, and DiamondOps scores each one separately: Third Baseman (54.7), First Baseman (51.9), and Designated Hitter (49.6) on All-Star. The best fit is Third Baseman rather than the listed First Baseman, and that holds at every difficulty. At Third Baseman the card scores 54.7 on All-Star, 52.0 on Hall of Fame, and 50.1 on Legend — retaining 92% of its All-Star value. Among First Basemans the card ranks #162 on All-Star and #189 on Legend.

On the Diamond Dynasty market, Jonathon Long currently buys for about 25 stubs, with sell orders near 0 stubs. Over the past 7 days the price has held roughly steady. 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. Jonathon Long earns an OpScore of 45.3 on Legend difficulty, ranking #3105 among all cards and #189 among First Basemans.

Live Series cards like Jonathon Long'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. Across the season so far, 55% of the cards Radar flags go on to be upgraded, against a 26% background rate across all scored cards — 2.1× better than chance (n=1,061).