Contreras a solid Plan B for Red Sox after missing out on Alonso originally appeared on NBC Sports Boston
After losing — and hardly competing in — the Pete Alonso sweepstakes, the Boston Red Sox are still searching for a middle-of-the-order bat. St. Louis Cardinals first baseman Willson Contreras has emerged as an intriguing fallback option on the trade market.
Advertisement
The Athletic’s Katie Woo recently reported that the Red Sox have shown “significant interest” in acquiring Contreras, a three-time All-Star who recently changed positions from catcher to first base. The 33-year-old has two years and $36.5 million remaining on his contract.
Contreras’ bat isn’t on Alonso’s level, but the veteran is no slouch at the plate. The right-handed slugger slashed .257/.344/.447 with 20 home runs and 80 RBI in 135 games last season. Not counting the shortened 2020 campaign, he has hit at least 20 homers in six of nine MLB seasons.
Defensively, Contreras has adjusted well to his transition to first base. He ranked fourth among players at the position last season with six Outs Above Average. To put that into perspective, Red Sox first baseman Triston Casas had -10 Outs Above Average in 2024, his lone full MLB season. Alonso was one of the league’s worst defensive first basemen with -9 Outs Above Average in 2025.
The Red Sox won’t find a first baseman better than Contreras on the free-agent market. There’s a massive dropoff in talent with Alonso (Baltimore Orioles) and Josh Naylor (Seattle Mariners) off the board. Ryan O’Hearn, Carlos Santana, and Nathaniel Lowe are among the next-best first basemen available in free agency. Perhaps slugger Eugenio Suarez could switch from third base to first, but he’s a liability defensively and best suited as a DH.
Advertisement
Boston may have to part ways with a prized prospect to acquire Contreras. Promising left-handed pitchers Connelly Early and Payton Tolle are the names most commonly brought up in trade rumors, and it’s fair to question whether it’s worth getting that aggressive for two years of an aging first baseman/designated hitter. A trade package highlighted by Early and/or Tolle makes more sense in a blockbuster deal for Arizona Diamondbacks second baseman Ketel Marte, Kansas City Royals left-hander Cole Ragans, or Milwaukee Brewers right-hander Freddy Peralta — each of whom has been linked to the Red Sox.
Nonetheless, as a right-handed-hitting first baseman with solid pop and above-average defense, Contreras checks all the boxes as a perfect Plan B option for Boston. If Red Sox chief baseball officer Craig Breslow can pry him from St. Louis without losing Early and/or Tolle, it would be a massive win for a club that must make multiple offensive upgrades this winter.
A Contreras trade would also mark Boston’s second noteworthy deal with the Chaim Bloom-led Cardinals front office this offseason. In November, the Red Sox acquired veteran right-hander Sonny Gray in exchange for right-hander Richard Fitts and left-handed pitching prospect Brandon Clarke.
