Red Sox Sign Veteran Reliever Justin Wilson

The Boston Red Sox have bolstered their bullpen by signing veteran left-handed reliever Justin Wilson to a one-year contract. With this addition, Boston's 40-man roster is now at full capacity. Wilson, represented by ACES, is guaranteed $2.25 million under the new deal, with potential incentives totaling an additional $750,000. He can earn $150,000 for reaching each of 40, 45, 50, 55, and 60 appearances.

Career and Recent Performance
Justin Wilson, 37, has an extensive track record in the majors, although recent years have seen him struggle with injuries. After returning from Tommy John surgery, Wilson pitched 46 2/3 innings for the Cincinnati Reds last year, ending the season with a 5.59 earned run average (ERA). Several factors contributed to these struggles, including an elevated average on balls in play and a high home run rate. The latter was significantly influenced by pitching in Cincinnati's Great American Ball Park, known for being exceptionally hitter-friendly. Seven out of the ten home runs Wilson allowed were at home, a testament to the park's impact on his stats.

Encouraging Metrics
Despite the disappointing ERA, Wilson's underlying metrics paint a more optimistic picture. He posted a 24.4% strikeout rate and a 6.2% walk rate, both better than the league average. His fastball velocity was impressive, averaging 95.5 mph—the second-highest mark of his career. His cutter also reached a career-high average velocity of 92.3 mph. Advanced metrics like xFIP (3.99) and SIERA (3.41), which account for normalized homer-to-flyball rates, suggest that Wilson could bounce back if he maintains his 2024 performance levels.

Historical Success
From 2015 to 2020, Wilson was one of the most reliable left-handed relievers in baseball. During that period, he played for the Yankees, Tigers, Cubs, and Mets, accumulating a 3.41 ERA over 291 innings in 344 games. He maintained a 28.2% strikeout rate and a 10.8% walk rate. His command in 2024 showed significant improvement compared to previous seasons, and his ability to generate strikeouts remained intact. Known for his late-inning prowess, Wilson has amassed 142 holds and 20 saves over his 12-year major league career.

Looking Ahead
The Red Sox are hopeful that Wilson can rebound and provide a reliable left-handed option out of the bullpen. If he can continue to pitch at the level suggested by his underlying metrics, Wilson could be a valuable asset for Boston in their quest for postseason success in 2025.