MLB Preseason Rookie of the Year: Cardinals' JJ Wetherholt vs. Mets' Nolan McLean (2026)

Imagine a preseason poll that completely misses the mark, placing a proven talent behind an unproven prospect. That's exactly what happened when a recent front-office survey ranked the New York Mets' Nolan McLean just shy of the top spot, overshadowed by the St. Louis Cardinals' JJ Wetherholt. But here's where it gets controversial: is this ranking a fair assessment, or is it overlooking the critical edge McLean already holds? Let’s dive in.

Preseason Rookie of the Year predictions are meant to forecast how a season will unfold. For the Mets, Nolan McLean isn’t just a name to watch or a long-term project—he’s a key piece already factored into the team’s immediate plans. Yet, the poll suggests he’s still playing catch-up. Why? Because not all rookies start on the same footing. Some enter the season as question marks, while others arrive with a track record. McLean and Wetherholt are often mentioned together, but their starting points couldn’t be more different. And this is the part most people miss: that disparity deserves a closer look.

Nolan McLean has already conquered the biggest hurdle for any Rookie of the Year contender. Last season, he pitched 48 innings with a stellar 2.06 ERA, allowing just 34 hits and 16 walks while striking out 57 batters. His advanced metrics—a 2.96 FIP, a 196 ERA+, and a 60.2% ground-ball rate—underscore his consistency and potential for sustained success. What truly sets him apart, though, is his curveball. Thrown 16% of the time, it’s already a major-league nightmare, holding opponents to a paltry .074 batting average and slugging percentage. Beyond the stats, McLean has something invaluable: experience. He’s seen how big-league hitters react, felt the pressure, and learned how costly mistakes can be. In a race that often favors proven adaptability, that’s a game-changer.

Now, let’s be clear: JJ Wetherholt is no slouch. As the fifth-ranked prospect in baseball and the Cardinals’ top talent, his credentials are impressive. His 2025 campaign between Double-A and Triple-A—a .306/.421/.510 slash line with 17 home runs and 59 RBIs in 408 at-bats—is exactly what teams dream of. But here’s the catch: all of that success is still in the minors. Wetherholt heads into spring training fighting for a roster spot, facing a significant jump in pitching quality, and proving his skills against major-league arms. Until those at-bats happen, his potential remains just that—potential.

So, is the poll unfairly favoring potential over proven performance? It’s a question that sparks debate. While Wetherholt’s ceiling is undeniably high, McLean’s floor is already established. In a race where consistency and adaptability often reign supreme, McLean’s head start could be the deciding factor. But what do you think? Is the poll overlooking McLean’s edge, or is Wetherholt’s upside too compelling to ignore? Let’s hear your take in the comments—this is one conversation that’s far from over.

MLB Preseason Rookie of the Year: Cardinals' JJ Wetherholt vs. Mets' Nolan McLean (2026)

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