Wilyer Abreu Has Covered Up His Greatest Weakness This Season

[Alex Mayes]

While there hasn’t been much going right for the Boston Red Sox so far this season, arguably the biggest bright spot has been Wilyer Abreu. Defensively, Abreu has been his usual self by making amazing catches in right field to help prevent runs from scoring. He’s well on his way to winning his third straight Gold Glove this season, but that shouldn’t surprise anyone.

Yet the best part of his 2026 season has been that the platoon training wheels have now been taken off, and he’s finally able to fully showcase what he’s capable of doing on the offensive side of the baseball. As of the week of May 11, Abreu is slashing .295/.377/.473 with a .375 wOBA, 134 wRC+, and 1.4 fWAR over 39 games. He’s launched six home runs, stolen three bases, and added 18 RBIs to his ledger. Dive a bit deeper, and we can see that Abreu has been absolutely dominant against left-handed pitchers. He’s come up to bat 48 times against southpaws and is slashing .372/.417/.488 with a .400 wOBA and 150 wRC+. He’s only hit one home run and has five RBIs when hitting against same-handed pitchers, but he’s getting on base at a massive clip and that puts him in position to score runs. We’re seeing a few different factors that contribute to his success against lefties at the plate.

First, Abreu has actually slowed down his bat speed from last season from 74.1 MPH to 73.6 MPH. While this isn’t a huge change, it’s enough that it’s allowing him to leave the head of his bat in the zone for longer. He’s squaring up 30.8% of all of his swings this season, good for the second-best rate in his career.

The bat speed isn’t the only difference this season, though. He’s currently standing the shallowest he’s ever been in the box at 29.6”, up from 31.4” when he entered the league in 2023. He’s widened his stance from 30.6” last season to 33.3” this season and has opened up his stance by three degrees from 25 degrees open to 28 degrees open. What explains his uptick across the board against southpaws though is that he’s now standing 27.3” off the plate. This, along with his slightly slower swing, allows for the sweet spot of his bat to travel through the zone for longer. While we haven’t quite seen the power he's accustomed to, he’s hitting screaming line drives into gaps that allow him to reach extra bases.

The one knock against his new mechanics is that he’s lowered his attack angle from nine degrees last year to seven degrees this year while upping his tilt from 31 degrees to 33 degrees. In a perfect world, that slight change in tilt would force Abreu to get the ball in the air more, but his attack angle is forcing the ball to play lower once it leaves his bat. He’s also altered his attack direction from one degree to the pull-side to one degree to the opposite field. We all know that playing in Fenway Park for left-handed hitters means that to become great at home, you need to become friends with The Green Monster and learn how to use it. The stats show us that Abreu, while not quite driving the ball to the Monster, is at least starting to spray hits to left field. As he finds a harmony between his new mechanics, then we’ll likely start to see him punish the Monster when he’s not pulling home runs to the bullpen at home.

This season almost felt like a make-or-break season for Wilyer Abreu, even with his defensive accomplishments. We needed to see him take multiple at-bats against left-handed pitchers and perform well in those situations. So far, so good on that front. In fact, he’s been outstanding. The Red Sox are underperforming, but so is pretty much the entire American League. If Abreu stays hot, he can be the spark that finally gets this team out of the gutter. Maybe it’s even time to re-explore those extension talks from last season, but that’s a conversation for another day.

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