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TWINS RELIEF PITCHERS AT A GLANCE
Bullpen: Jhoan Durán, Griffin Jax, Cole Sands, Brock Stewart, Danny Coulombe, Jorge Alcala, Justin Topa, Louie Varland
Depth: Michael Tonkin, Kody Funderburk, Scott Blewett, Alex Speas, Huascar Ynoa
Prospects: Eiberson Castellano, Connor Prielipp, Marco Raya, Matt Canterino
Twins fWAR Ranking Last Year: 5th out of 30
Twins fWAR Projection This Year: 1st out of 30
THE GOOD
Coming out of last season, the path to an elite bullpen in 2025 for the Twins was pretty clear: part ways with underperforming vets, bring back the high-octane core at the back end, maybe add one or two solid pieces. Check, check, check. The laggards who dragged down the 2024 bullpen – Caleb Thielbar, Steven Okert, Josh Staumont Jay Jackson and Trevor Richards combined for a 5.29 ERA in 146 innings – have all moved on. The top dogs are back: Jhoan Durán, Griffin Jax and Cole Sands present a stellar late-inning trio, with Brock Stewart hopefully rounding out that group by finding a way to stay healthy at last. The Twins added an accomplished veteran free agent in Danny Coulombe to round out their late-inning stable.
There just aren't many bullpens out there capable of going four or five deep with that kind of quality. Jax leads the way, and was by some measures one of the two or three best relievers in all of baseball last year. His deep pitch mix and devastating sweeper made him an overpowering weapon, and Rocco Baldelli routinely turned to Jax in the biggest moments.
Jax and the Twins flirted with idea of a transition back to starting during the offseason, but ultimately opted to stick with what is working brilliantly. Having him as a fireman gives the Twins a big late-game advantage. Add in Durán, with his 2.59 career ERA, and Sands, who posted a 3.28 ERA and 2.63 FIP last year, and the Twins can stack power arms in the seventh, eighth and ninth. Coulombe covers them against tough lefties and can hold his own against righties.
Stewart has what it takes to be the best of the bunch if he can stay healthy. It's a massive "if," and he's already dealing with a hamstring issue this spring, but there's a lot of optimism around the state of his arm following shoulder surgery. Signs have been positive on that front in spring training, where he was touching 97 MPH before being sidetracked by the hammy.
Jorge Alcalá and Louie Varland are wild-cards in the middle-relief picture, with either one capable of elevating into a setup role if they can keep the homer-proneness at bay. We saw how dominant Varland could be as a reliever in late 2023 and now he'll have the opportunity to fully prepare and build up as one. We saw how effective Alcalá can be in the first half of last season; for his career he's posted a 3.64 ERA while averaging a strikeout per inning.
Another wild-card: Eiberson Castellano, the Rule 5 pick out of Philadelphia, who is trying to latch on in a long relief role. With just over a week left in camp, it remains to be seen if he'll find his way onto the 26-man roster, where he would need to stay all year in order to be kept. I would be extremely surprised if he makes the roster but he's certainly an intriguing pitcher who has flashed glimpses this spring of what the Twins saw in him.
And one to watch over the course of the summer: Connor Prielipp, the former second-round draft pick who finally appears to be healthy following a tumultuous run of arm issues. If he can keep the injuries at bay, he has a chance to be fast-tracked into the big-league bullpen and could be a huge rookie difference-maker.
THE BAD
The big question mark for me is Durán, whose continued excellence is critical to this bullpen meeting its lofty projection. Last year, after missing the start of the season with an oblique injury, the big right-hander's fastball velocity was down a couple of ticks, which played a role in his results going from great to good. His strikeouts were down and he gave up some big bops in crushing moments.
Durán did not pitch poorly last year, and his 3.86 ERA was influenced by some fluky factors that should even out, including a .321 BABIP and 61.5% strand rate (seventh-lowest out of 169 qualified MLB relievers). If his performance in 2025 is the same as last year, I'd expect better numbers, but will he maintain that level or were we seeing the start of a decline? This spring Durán has been unable to summon the same velocity he showed even last year, with his fastball struggling to touch triple digits and his repertoire failing to generate whiffs.
What happens if hitters catch up to more of Durán's pitches this year? It's going to be painful, given his occupation of the closer role. How many early hiccups would it take for Durán to move down in the bullpen hierarchy? He's earned a degree of patience over the past three years, but if the pitches aren't working as they once did, the Twins will need to be ready to adjust.
This strikes me as the biggest non-health-related concern facing the unit. (Assuming it is not health-related.) Of course, injuries will come into play in this bullpen, and they already have. The dream of having Matt Canterino splash onto the scene this summer is all but dead after his shoulder flared up again this spring. That's an extra tough pill to swallow because, in keeping Canterino on the 40-man roster, the Twins lost a couple of potentially useful arms to waivers in Ronny Henriquez and Brent Headrick.
Not the world's greatest tragedy, but depth is depth and the Twins have already seen some of theirs whittled away. With Justin Topa and Michael Tonkin already hampered by shoulder issues this spring, the cavalry is going to be needed. How deep can the Twins dig if needed? For all the supposed quantity in last year's relief corps, the team still found itself turning to waiver pickup Cole Irvin with the season on the line in September.
THE BOTTOM LINE
You can never have too many relief pitchers, as Twins fans were reminded last year. The talent and track record residing in this bullpen are easy to see, but health woes have already begun to surface and Durán's worrisome spring casts a shadow over the whole unit's outlook. Fortunately, wild cards like Stewart, Varland and Prielipp have the potential to offset a decline or elevate this relief corps to a new level if Durán is his usual self.
The Twins bullpen has what it takes to be the best, but projections stop mattering once they're actually put to the test. For a team that figures to be in a lot of close games, the ability of this bullpen to rebound and excel will likely prove pivotal to Minnesota's fate.
Share your thoughts on the outlook at relief pitcher below and check out the rest of our Position Analysis Series:
- Twins 2025 Position Analysis: Catcher
- Twins 2025 Position Analysis: First Base
- Twins 2025 Position Analysis: Second Base
- Twins 2025 Position Analysis: Third Base
- Twins 2025 Position Analysis: Shortstop
- Twins 2025 Position Analysis: Left Field
- Twins 2025 Position Analysis: Center Field
- Twins 2025 Position Analysis: Right Field
- Twins 2025 Position Analysis: Designated Hitter
- Twins 2025 Position Analysis: Starting Pitcher







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