The Washington Nationals will sign reliever Brad Boxberger to a minor league contract, The Washington Post reported Monday.
The 31-year-old right-hander was an All-Star with the Tampa Bay Rays in 2015, leading the American League that season with 41 saves.
Boxberger was released by the Kansas City Royals earlier this month after going 1-3 with a 5.40 ERA and one save in 29 appearances this season.
In 2018, he was 3-7 with 32 saves and a 4.39 ERA in 60 games with the Arizona Diamondbacks.
He owns a career 3.59 ERA with 77 saves in eight seasons. He has struck out 395 batters in 311 innings.