Agustín Ramírez’s slow spring start raises questions as Joe Mack surges. Are the Miami Marlins nearing a catching transition?
The Miami Marlins may not admit it publicly, but the tension behind the plate is impossible to ignore.
Fish On First's Louis Addeo-Weiss first spotlighted the contrast growing more stark between Agustín Ramírez and Joe Mack this spring. And while spring-training numbers don’t automatically translate to regular-season outcomes, the conversation building in Jupiter feels real.
But one catcher is 0-for-14 with six strikeouts and hasn’t reached base once -- and another is slashing .333/.455/.667.
And for Ramírez, the optics are alarming.
Ramírez’s 2025 season wasn’t a failure. He hit 20-plus home runs as a rookie and finished sixth in NL Rookie of the Year voting. Power from the catcher position still carries value.
But the warning signs were always there.
He walked just 6.2 percent of the time -- well below league average. His overall 92 OPS+ made him a below-average hitter despite the power. More concerning: he was significantly better as a designated hitter than when catching, suggesting the defensive burden may be affecting his offensive consistency.
Defensively, the numbers were even harsher. His 10 errors and 19 passed balls led all MLB catchers. Only Salvador Pérez graded worse in defensive runs saved, with Ramírez posting a minus-14 mark.
That profile already required offensive growth to justify everyday reps.
Instead, he’s opened camp hitless.
Joe Mack’s rise isn’t purely about Ramírez struggling. It’s about Mack legitimately trending upward.
The Marlins’ No. 2 prospect hit 21 home runs across Double-A and Triple-A last season, finishing with a career-best .813 OPS. If he brings even 75 percent of that offense to Miami while maintaining his strong defensive reputation, he arguably becomes the franchise’s most complete catcher since J.T. Realmuto.
Manager Clayton McCullough has already acknowledged Mack will play in Miami "at some point." That phrasing feels less like distant projection and more like an inevitability waiting on timing.
The Marlins are expected to open the season with Ramírez and Liam Hicks -- a steady Rule 5 addition who posted a .346 OBP last year and grades out closer to average defensively. That pairing feels safe.
But "safe" doesn’t always survive performance gaps.
If Ramírez’s plate discipline issues persist and the defensive metrics don’t rebound, this won’t just be about a cold spring. It’ll be about roster alignment.
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