Is a Yainer Diaz Breakout Coming?

Catcher is a thankless job. If you do it successfully, perfectly even, that means that you’re letting highly paid professionals whip projectiles at you as hard as they can hundreds of times a day. Sometimes, other highly paid professionals will divert these projectiles toward you at the last second, or inadvertently hit you with the giant wooden sticks they’re carrying. You have to dive around and flail your limbs, because the only thing worse than getting hit by one of these balls is not getting hit by them; letting them fly by hurts your team. People try to steal from you constantly, so while you’re trying to catch a rock-hard 100-mph pellet, you also have to scan your peripherals. And if all of that isn’t bad enough, here’s the worst part: Sometimes your manager chooses to start Martín Maldonado ahead of you.
I kid, of course, but I’m writing about Yainer Diaz today, and his gradual phase-in to the major leagues is a key part of his major league career so far. Diaz burst onto the big league scene in 2023 with the kind of approach that makes hitting instructors wince, then shrug their shoulders and nod. He swung early and often, took big hacks, and generally acted like he was allergic to taking walks or hitting singles. It worked. He clobbered 23 homers in only 377 plate appearances, spraying loud contact to all fields. He played better-than-expected defense, too, belying his early scouting reports.
Despite that excellent rookie season, Diaz couldn’t displace an aging Maldonado as the team’s primary catcher; he took some reps at DH, but lost those as well when the team got healthy. By the playoffs, he was an afterthought, a pure backup catcher. But when Maldonado (and manager Dusty Baker) departed in the offseason, Diaz ascended to a starting job. Then he struggled – through the All-Star break, he was hitting a so-so .284/.308/.409 with iffy defense. If you’re more of a WAR person, that’s 1.1 WAR, not great. Here’s one story you could tell about Yainer Diaz: a prospect who struggled to break through with regular playing time.
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