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Simeon Woods Richardson hasn’t been quite the same pitcher in 2025 that he was as a rookie in 2024. With an arsenal featuring a few good (but not great) weapons, he’s struggled to retire hitters and pitch deep into games consistently. With the league adjusting to how he attacks opposing hitters, it’s time to adjust back, and it appears he’s doing just that.
One of Woods Richardson’s most highly-touted offerings as a prospect was his changeup. Last season, when he was rolling, it was his third-most-used pitch, allowing a .327 xwOBA overall. That mark jumped up to .398 in September when Woods Richardson struggled mightily, and sits at a devastating .519 so far in 2025.
Both Woods Richardson and the Twins seem aware of the problem, as his curveball has jumped ahead in terms of usage despite never being an effective pitch for him, and he’s stopped throwing the changeup altogether. It has left him with just two pitches to turn to when he really needs an out: the slider and the fastball, which have been inconsistent in terms of velocity. It appears Woods Richardson is slowly working on a solution to this problem.
On May 14, Statcast identified that Woods Richardson threw a splitter 5.7% of the time. He’s very slowly increased the usage of it in a handful of outings since, though it’s stayed under 10%. We’ve seen Twins pitchers such as Joe Ryan go this route before when struggling to find a consistent changeup, and we may be watching it again.
In a tiny sample, this pitch looks like it could be the next step in Woods Richardson’s development. At just over 1,000 RPM, it has less than half the spin of anything else he throws. It’s allowed a .143 xBA, .205 xSLG, and .148 xwOBA. The whiff rate doesn’t jump off the page, but it has a 25% putaway rate, indicating that it could become a trusted pitch to retire opposing hitters.
It’s fair to wonder whether we’re in the early stages of Woods Richardson taking a noteworthy leap, as he continues to develop a new tool in his arsenal. Building confidence in a splitter is tricky and can take time, but even with the moderate usage so far, it’s worth asking whether we’ve already started to see some results. In his last four starts, Woods Richardson has allowed only four runs in 21 innings. It feels somewhat sustainable, too. The movement profile of the splitter fits the very vertically-oriented set of pitch shapes he offers better than the changeup did, and might make the pitch easier for him to command than the change was.
It’s easy to forget that Woods Richardson is still just 24 years old. He’s younger than David Festa and Zebby Matthews. Pitching development is rarely linear, and after a great start to his career, it’s possible that it just took a bit of time to react to the adjustment the league made partway through last season.
It may not be a coincidence that we’re seeing Woods Richardson be more successful now that he has a more well-rounded pitch mix. With a lack of competition in the Twins rotation and (likely) no hard innings limit, Woods Richardson has a chance to once again cement himself in the back end of the rotation for 2026 down the stretch this summer. His new splitter may be the pitch that helps get him there.
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