Mason Thompson

The Nationals and Mason Thompson have agreed to a one-year contract.

Fantasy Impact

Thompson and the Nationals will avoid arbitration. He missed the 2024 season after undergoing Tommy John surgery in spring training.

The Nationals announced that Mason Thompson will undergo Tommy John surgery.

Fantasy Impact

Thompson dealt with injuries in the middle of last season, and he'll now miss all of this year. It will be the second time he has undergone this surgery with the first time being back in high school.

Mason Thompson experienced elbow discomfort while throwing an offseason bullpen session and will be shut down for two weeks before he’s re-evaluated.

Fantasy Impact

“Mason, right now, he’s got a little arm issue,” Nationals manager Davey Martinez said this afternoon in his camp-opening session with reporters. “We’re going to see what’s going on with him. We’ll take it slow with him.” Thompson posted a 5.50 ERA and 1.556 WHIP in 51 games last season in the Nationals bullpen.