Marlins Suddenly Face A Tough Griffin Conine Deadline Decision

The Diamondbacks could bolster their lineup by acquiring Griffin Conine, but at what cost to their prospects?

The Diamondbacks are still sorting out their deadline path, but one thing is clear: if they want to keep pushing toward October, the outfield needs help. That’s where Griffin Conine comes in.

A mock trade scenario has Arizona landing the Miami outfielder, a South Florida native with deep Marlins ties and a profile that fits a club looking for more production around All-Star Corbin Carroll. Miami, meanwhile, would get a pair of young pieces back: infielder LuJames Groover and right-hander Anderson Cardenas.

Conine has been limited to 39 games because of a hamstring injury, but when he has been on the field, he’s put together the best stretch of his career. He’s hitting .260/.353/.510/.863 with seven home runs, 16 RBI and a 135 wRC+.

He’s a corner outfielder by trade and can also cover first base in a pinch. The defensive numbers don’t line up perfectly-his career marks sit at plus-four defensive runs saved and minus-two outs above average-but the bat is what makes him appealing.

There’s also a real argument that Miami could move him. His Opening Day roster spot was shaky until late injuries to Kyle Stowers and Esteury Ruiz opened the door. Since coming off the injured list, he’s been in the lineup against right-handed pitching, but another left-handed corner outfielder, Owen Caissie, is close to returning from injury and is five years younger.

Conine is also one of the few players on Miami’s 40-man roster who wasn’t brought in by president of baseball operations Peter Bendix. Sixteen of the 20 position players on the roster were acquired by Bendix, which makes Conine one of the holdovers from the previous front office.

For Arizona, the fit is straightforward. Even with Carroll in the mix, the Diamondbacks rank 24th in MLB in outfield wRC+ at 91.

Conine would be an upgrade over veteran Max Kepler, who has posted a 66 wRC+ in 21 games. And because Conine is not yet arbitration-eligible, he would remain under club control through the 2030 season.

The return in this proposal starts with Groover, Baseball America’s fifth-ranked Diamondbacks prospect. The 24-year-old infielder was a 2025 Futures Game selection and got a brief look in the majors this season, though he struggled in 15 games. In Triple-A, he has been much better, hitting .327/.418/.487/.905 with six home runs, 51 RBI and a 119 wRC+ over 70 games.

Miami could use that kind of right-handed help. The Marlins have lacked production from that side at first base and third base, and Groover could become part of the answer.

The other piece is Cardenas, a right-handed pitcher who has logged 52 ⅔ innings this season between the complex league and Low-A. He has a 3.25 ERA, 3.97 FIP, 11.96 K/9 and 4.27 BB/9, and he projects as a full-time reliever down the line.

It would sting for Marlins fans to part with a second-generation player who has delivered in limited big league action, but the logic is there. Miami could use the chance to rebalance its offense, and Conine’s value may be at its peak before strikeout concerns become more of a problem.

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