Marlins Keep Running Into The Same Problem This Young Core Must Fix

A focus on fortifying their defense could be the key to unlocking the Miami Marlins' championship potential in 2027.

SAN DIEGO - The Marlins’ defensive problems were on full display Sunday afternoon, and so was the gap between where they are and where they want to be.

Before the game, Clayton McCullough talked about defense as a foundation for what comes next. After the game, that message felt even louder. Miami’s 7-3 loss to the Padres at Petco Park featured multiple misplays that helped turn a tight outing for Sandy Alcantara into a rough one.

The fourth inning was the turning point. Jackson Merrill sent a comebacker off Alcantara, and Javier Sanoja tried to handle it barehanded before firing low to first baseman Deyvison De Los Santos.

De Los Santos couldn’t secure the throw, and the ball kicked off Merrill and into right field. Merrill ended up at third on the two-base error.

“It was a little frustrating for me,” the reigning National League Gold Glove-winning utility player Sanoja said via interpreter Luis Dorante. “I think I put him in a bad position, and I wasn’t able to make a better throw in that situation.”

The inning kept unraveling from there. Two batters later, Jake Cronenworth lined a sinking ball to left that Heriberto Hernández couldn’t catch, and it rolled to the wall for an RBI double. Samad Taylor followed with another RBI double, and just like that, the Padres were up 4-0.

There was another tense moment in the fifth when Merrill grounded to the right side. Sanoja got to it, but De Los Santos was late getting back to the bag. Alcantara covered and tagged Merrill as he slid into the play, and no one was hurt.

“Thank goodness I was able to keep my head high and do a better job on the second play, and a great assist by Sandy,” Sanoja said. “We will continue to work with these young players that continue to come up and try to put them in a good position so they can succeed.”

The broader picture isn’t hard to see. Miami entered Sunday 14th in fielding run value at three, but nine of the 13 teams ahead of them were in playoff position if the season ended then, and two more had better records than the Marlins. In defensive runs saved, Miami sits 23rd at minus-8.

That matters to this club in more ways than one. The Marlins have leaned on defense before, including keeping Jakob Marsee in the lineup through a long slump because of his work in center field. They also brought up rookie Joe Mack in early May because of the Gold Glove-caliber arm he brings behind the plate.

Still, this roster is trying to learn on the job. Kyle Stowers and Griffin Conine are adjusting to first base this season, along with Connor Norby, Leo Jiménez and Christopher Morel. Blake Butler said earlier this season that the challenge goes beyond reps.

“There's definitely some nuances that we're still working through that's really hard to replicate in practice,” infield coach Blake Butler said earlier this season. “We watch a ton of video and do as much practice design as we can, but there's still some things that come up.”

McCullough pointed to the same reality before the game, stressing that defense is about more than just avoiding errors.

“It matters,” McCullough said. “Unfortunately, we won't get to see it live in October, but you're going to see it in October.

You have to play defense to win championships, and you have to play good defense. …

“It's got such a domino effect that sometimes it's not just the errors. Big league defense has a high standard, and it should. I just don't see how we ultimately get over the hump without being a very buttoned-up group defensively.”

He also framed the issue in practical terms: positioning, cutoffs, knowing when to attack and when to play it safe, and understanding the game situation well enough to make the right choice. For a team with a lot of players learning new spots and moving around the diamond, those details are still very much a work in progress.

“As a team, to get better, it's being in the right place on the field,” McCullough said. “It's hitting cutoff men.

It's understanding when to take some chances and when it's better to put some things in your pocket and try to limit the damage on the opposition. There's an individual component of guys just continuing to get better on their defense, and then as a team, how do we understand what the scoreboard is, where we are in a lineup and think through those things to make the best decision you can?”

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