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  • 3 Twins Relievers Show Dangers of Relying on Duffey, Thielbar Too Much


    Cody Christie

    Relief pitchers tend to burn bright and die out quickly as the league adjusts to their pitching tendencies. Tyler Duffey and Caleb Thielbar fit this mold, and they are following a similar path as previous Twins relievers.

    Image courtesy of Kim Klement and Bruce Kluckhorn, USA Today Sports

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    Every team enters the season with a bullpen pecking order, but relievers can be inconsistent, especially in small sample sizes. In recent years, Duffey and Thielbar have been vital members of the Twins bullpen, but both have struggled this season. Here’s a look back at three former relievers that burned bright before falling on hard times. 

    Pat Neshek
    Twins Peak: Neshek quickly became a fan favorite with his side-arm delivery and early success. During his first two big-league seasons, he posted a 2.68 ERA with a 0.93 WHIP while striking out 127 batters in 107 1/3 innings. He’d make two appearances with the Twins in the 2006 playoffs, but he struggled to find postseason success like many Twins pitchers. During the 2007 season, Neshek was one of five AL players included on the All-Star Final Vote ballot, but he’d fall short of making the team. Neshek established himself as a reliable late-inning reliever before he faced some big-league struggles.

    Twins Struggles: From 2008 to 2010, Neshek was limited to fewer than 25 big-league innings, and those innings were ineffective. During the 2008 season, he made 15 appearances and allowed seven earned runs before an injury shut him down. Minnesota tried having him rehab, but his 2009 season was wiped out as he recovered from Tommy John surgery. Neshek returned to the mound in 2010 and spent most of the season at Triple-A. His final 11 appearances for the Twins resulted in a 5.00 ERA with a 1.67 WHIP. Even with his Twins tenured ending, Neshek’s career was far from over as he made multiple All-Star appearances and pitched until the 2019 season. 

    Juan Rincón
    Twins Peak:
    Rincón pitched parts of eight seasons in Minnesota, but his peak came from 2004 to 2006. He posted a 2.66 ERA during those three years with a 1.19 WHIP and 255 strikeouts across 233 1/3 innings. He was one of Ron Gardenhire’s most reliable late-inning options as the team won multiple AL Central titles. Rincón pitched in three different playoff series and posted a 5.19 ERA in 8 appearances, but four of his five earned runs were in the 2004 ALDS against the Yankees. As he entered his age-28 season, things started to go south for Rincón. 

    Twins Struggles: During his final season and a half in Minnesota, Rincón hit a performance wall. In 2007, his ERA jumped from 2.91 to 5.13 while his strikeout rate dropped and his walk rate increased. Things went even worse during the 2008 season as his ERA was north of 6.00. Minnesota granted him his free agency at the end of June, and he signed with Cleveland two days later. After leaving the Twins, he pitched 93 more big-league innings for the Indians, Tigers, and Rockies, but he never posted an ERA lower than 4.50 with any of the teams. 

    José Mijares
    Twins Peak:
    Mijares surprised many during the 2008 season as he made ten appearances and allowed one earned run with a 0.29 WHIP. In the 2009 season, he took on an even more prominent bullpen role. Over 61 2/3 innings, he posted a 2.34 ERA with a 1.18 WHIP with a 55-to-23 strikeout to walk ratio. Mijares, a left-handed pitcher, was particularly effective against lefties as they hit .155/.228/.252 (.481) against him in 2009. He was very successful in an era where left-handed specialists played vital bullpen roles.

    Twins Struggles: Some of his struggles started during the 2009 ALDS as he couldn’t make it through one full inning without allowing a run. Mijares saw his ERA rise by over an entire run for the 2010 season, and then it went up to 4.59 for the 2011 season. He was never a strikeout machine, but his K/9 dropped from 7.7 to 5.5 in his final Twins season. Mijares made three appearances during the 2010 playoffs and didn’t allow an earned run. After leaving Minnesota, he pitched parts of two seasons with the Royals and Giants while helping San Francisco win the 2012 World Series. 

    Are you worried that Duffey and Thielbar will follow the path of these former relievers? Leave a COMMENT and start the discussion.

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    As a devoted Pat Neshek lover, I’d have to say Neshek really isn’t a good example. You mention that relievers “burn bright and die out quickly,” but Neshek had 9 seasons after leaving the Twins with a sub-4.00 ERA and 6 of those with a sub-3.00 ERA. It doesn’t look like his opponents ever really adjusted to him — he just dealt with injuries his last few years here that made him ineffective in a very small sample. 

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    Good article, though I agree with the other that Neshek doesn’t belong here. Clear injury related decline in MN, and a long multiple All-Star appearance career after he left. But yeah, the others.

    Thielbar is in his age 35 season. His stuff looks to be declining, and I bet he knows it, because despite his history of decent to good control, he now seems afraid to throw it over the plate, walking more than a batter per inning pitched. And I get that fear since batters (in a very light-hitting April league-wide) are pounding him for a .375 BAA. The Twins have better options now, and they should waive him on May 2nd. I like Caleb, and hope he gets a chance elsewhere, but either way his skills and age probably mean he is out of baseball soon.

    Duffey’s leash is probably longer, but shouldn’t be too much longer. Look up his career stats, and he is a distinctly mediocre pitcher (with a negative WAR from 2016-18) until things click in 2019-20 when he became very good. Last year was solid, but with some flags popping (like declining velocity). One can only speculate on how the banning of tacky stuff affected Tyler (though his second half was better than his first). Overall, he looks like a pitcher in his early thirties losing speed he depends on. Some pitchers can reinvent themselves, and extend their career (like Caleb Thielbar). Some can’t. Either way, Tyler looks a lot more the Early Duffey than Dominant Duffey, but I’d give him some more time to work that out. But not forever, and not 8th or 9th high leverage until he shows he has worked it out, because the Twins have options in their system.

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    18 hours ago, GKuehl said:

    As a devoted Pat Neshek lover, I’d have to say Neshek really isn’t a good example. You mention that relievers “burn bright and die out quickly,” but Neshek had 9 seasons after leaving the Twins with a sub-4.00 ERA and 6 of those with a sub-3.00 ERA. It doesn’t look like his opponents ever really adjusted to him — he just dealt with injuries his last few years here that made him ineffective in a very small sample. 

    Neshek always struck me as one of those situations where Gardy just didn't like certain players who didn't fit his view of the game and he got run out, never really getting the chance to work all the way back from the injury.  The Twins during this period had a solid history of screwing with their pitchers and either losing them or having them find success elsewhere after the Twins gave up.

    Regarding Neshek's popularity, the sidearm delivery was cool, but Neshek was from Wisconsin and really bonded with our fanbase.  Beyond that, he was simply fun.  It was a shame how that played out, he was pretty clear that his hope was to stay with the Twins for the long term.

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    Duffey reminds me so much of Eddie Guardado in his pitching approach.  I'd really rather not see him in the closer role, though.  He doesn't seem to have that same craftiness that Eddie G had to find some way to get most guys out. 

    That said, Pagan as a Twin so far has reminded me of Brandon Kintzler - no nasty out pitch he can rely on to end an at bat.  IDK who should close.  I don't really want that to fall to Duran either.  Maybe Joe Smith until Alcala returns?

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    Lefthanded pitching is a weakness of this roster. The Twins only have Couloumbe, Thielbar and Moran for lefthanded pitching. If one of them is pitching poorly they can't rely on the other to pick up all the slack. We may see Devin Smeltzer soon. After Smeltzer there's basically nobody else in the organization for lefthanded pitching.

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