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As the Minnesota Twins enter the 2025 season, one of the team's most significant offseason questions centers on replacing Max Kepler. His departure in free agency will create an undeniable void, especially on the defensive side. The Twins' outfield has been a defensive stronghold for several seasons, with Kepler patrolling right field as one of the league's premier defenders. His absence will likely lead to a noticeable drop-off in defensive performance, as the team looks to shift its corner outfield strategy.
Trevor Larnach and Matt Wallner are poised to step into everyday roles in the corners, likely making up for Kepler's departure with their powerful bats. However, defensively, neither player can match the consistency or range that Kepler provided. Wallner has one of baseball’s best outfield arms. However, his Outs Above Average of -3 indicates below-average overall glove work, and that was without playing a full season at the big-league level.
Larnach has below-average arm strength (36th percentile), but posted a positive OAA in his 429 defensive innings. He and Wallner each have decent athleticism, but they lack some of the lateral quickness and instincts that made Kepler such a fixture in right field. These flaws were evident in limited 2024 action, where both showed potential but failed to lock down consistent defensive metrics.
Kepler's blend of quick reads, range, and excellent positioning allowed him to erase hits. His 2024 defensive metrics were slightly down from his peak, but remained well above average, with 4 OAA. They might make up for it with their bats, but it's hard to imagine Larnach or Wallner matching even the declining Kepler in defensive acumen.
While Larnach and Wallner will likely handle the corners most often, the Twins have some versatile options in Austin Martin and Willi Castro. Castro had an All-Star year in 2024, demonstrating his ability to fill multiple roles, including outfield stints. He was worth -3 OAA in center field, but posted average numbers when shifting to left. He brings speed and athleticism, which should help mitigate some defensive shortcomings. Castro’s value comes in his versatility, and he’s better suited to spot duty rather than everyday responsibilities in a corner.
Martin’s athleticism also suggests he could provide help, but his 2024 outfield defense was surprisingly subpar. Despite his speed, Martin's routes and reads were inconsistent, leaving him with one of baseball’s worst OAA ratings (-5). In the minor leagues, he was being used regularly as an infielder, so some of his issues might be with the transition to a less familiar position. While there’s potential for him to improve, the Twins will need him to develop quickly if he’s to be counted on as a regular defensive option.
Two youngsters who could add more athleticism and defensive value are Emmanuel Rodriguez and DaShawn Keirsey Jr. Rodriguez, one of the organization’s top prospects, possesses the natural instincts and athleticism to be a plus defender. He’s played center field in the minors, so switching to a corner spot would probably turn him into a highly valuable fielder. Keirsey, meanwhile, offers elite speed and defensive prowess that has been on display in the minors, where he's impressed with his range and ability to track down difficult balls.
However, both players are more likely to spend the early part of the 2025 season in the minors, leaving the Twins with a gap in defensive talent. Keirsey, in particular, could be an early-season addition if the defensive struggles of Larnach or Wallner become too glaring to ignore, but he would represent an offensive liability the team might not be willing to stomach. Rodriguez will likely spend most of the season at Triple A, before he proves he’s ready for a call-up.
Larnach and Wallner provided ample reason for hope with their bats this year, but without Kepler, the defensive outlook is a concern. As the Twins shift to more offensively focused options, the team will likely need to mix and match throughout the season, relying on players like Castro and Martin to fill in defensively. Improving upon their defensive fallback options might be a worthwhile priority this winter.
Unless one of the younger prospects like Rodriguez or Keirsey emerges faster than expected, the Twins will enter 2025 with a clear drop in defensive efficiency in the corners. It’s a risk the front office is willing to take to prioritize offense, but the potential for late-game defensive substitutions or midseason call-ups could limit the team's ability to close out games. In a season where the margin for error will be thin, the Twins’ outfield defense may ultimately dictate how far they can go.
How much will Kepler’s departure impact the team’s defense? Leave a comment and start the discussion.
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