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The 2025 season will mark the 10-year anniversary of Kansas City's last World Series title, which was memorably earned through the might of a legendary relief corps. The Royals ranked 22nd among MLB teams in starting pitcher ERA that year, and 11th in offensive wOBA. They had zero players hit 25 home runs or post an .850 OPS. In many respects it was a fairly ordinary team. But, that bullpen.
Powered by Wade Davis, Kelvin Herrera, Ryan Madson, Franklin Morales and closer Greg Holland, Kansas City's bullpen ranked second in MLB in ERA, third in fWAR. They took their game to the next level in the playoffs, leading the Royals past big-market titans in Houston, Toronto and New York on the way to a second championship in franchise history.
Ten years ago, we witnessed the overwhelming impact of a consistently elite bullpen in the playoffs. And last year, within the same division, we saw it in the regular season. Cleveland ranked 24th in the majors in starting pitcher ERA. They ranked 17th among MLB teams in wOBA and 14th in runs scored. But their unbelievable, impenetrable bullpen, which led baseball in ERA and fWAR, turned game after game in their favor en route to a division title and ALCS berth.
Hopefully the Twins will fare better in terms of offense and starting pitching than the 2015 Royals or 2024 Guardians. I'd argue they should be expected to do so as currently constructed. But it's clear that a truly transcendent bullpen could be the differentiator that flips Minnesota from middling contender to championship caliber in 2025.
The path to a top-tier or even league-leading bullpen for the Minnesota Twins is not as improbable as one might believe. In fact, it's actually quite reasonable and straightforward.
For starters, by some measures, the Twins bullpen already was top-tier in 2024. Their relievers ranked fifth in the majors in fWAR and FIP, behind only Cleveland among AL teams. I know that's small consolation considering they ranked 19th in ERA and were susceptible to devastating meltdowns, but there was a lot of bad luck, rotten timing and batted-ball noise involved.
Also some bad pitching. I don't want to discount that. But consider this: In 2024 the Twins had five veterans -- Caleb Thielbar, Steven Okert, Jay Jackson, Trevor Richards -- combine to allow 86 earned runs in 146 ⅓ innings (5.29 ERA). Presumably none will be back next year. It's hard to imagine the replacements being worse.
What the Twins are bringing back is an outstanding core. Jhoan Duran and Griffin Jax are an elite combo at the back end. Cole Sands is coming off a breakout year, as is Jorge Alcala to a lesser extent. Kody Funderburk and Ronny Henriquez have both shown flashes of promise and will both remain in the mix. Jovani Moran will be recovered from Tommy John surgery next spring and looking to reassert himself.
But there are two key additions, and a couple of prospect sleepers, I have my eye on who could really move the needle.
First, Brock Stewart. If healthy and pitching up to his standard as a Twin (2.28 ERA, 12.3 K/9), he'll be their best reliever and will single-handedly lift the bullpen to another level. I know it's tough to believe in his health after another ruined season, but there seemed to be real optimism that the arthroscopic shoulder surgery he underwent in mid-August will finally resolve the issues that have been plaguing him. Stewart said at the time he was "kind of relieved to know that it's going to be fixed and I have a clean slate for next season.”
Second, Louie Varland. Following a frustrating season that saw him shifting between roles and levels, my hope is that the Twins will simply commit to Varland as a reliever from the jump next season with the hopes of fully unlocking his potential. We saw it on display in late 2023 and at times in '24. I truly believe that he can be that guy, or something close, as a full-time reliever pitching at max effort, and he can do it over multiple innings, which is so valuable in today's game.
Finally, more of a wild-card: Marco Raya. I listed him last week among four prospects who could have game-changing debuts in 2025, envisioning a multi-inning relief role that he'd be well suited for if he shows up at Triple-A throwing fire. Another pitcher I mentioned in that article was Connor Prielipp, who is more of a longshot after throwing just 30 innings the past two seasons, but is an arm the Twins will want to find a role for in the majors quickly if healthy.
Envisioning a bullpen with Varland, Raya and Prielipp all filling length roles on top of the existing core of Duran, Jax, Sands, and Alcala, with Stewart returning to the fold ... well, that's a unit that could absolutely dominate. I'm not going to say they'd be capable of matching what Cleveland did last year because no one is -- including Cleveland next year -- but it's absolutely in that class of talent, functionality and depth. And that's before you add any acquisitions, which will admittedly be low-wattage in all likelihood.
I hope the Twins make at least one impactful addition to the bullpen from the outside, ideally a left-handed reliever with some level of credibility, but when you look at this group of arms -- ranked on paper as the No. 1 bullpen in baseball at present, according to FanGraphs -- it's easy to get excited about what lies ahead on the relief front.
This is a big part of the reason no one should be discounting the Minnesota Twins as contenders, regardless of what happens this winter.







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