FILE - In this Feb. 17, 2020, file photo, Washington Nationals manager Dave Martinez, left, talks with general manager Mike Rizzo during spring training baseball practice...

FILE - In this Wednesday, Oct. 30, 2019, file photo, The Washington Nationals celebrate after Game 7 of the baseball World Series against the Houston Astros in Houston. A...

The San Diego Padres acquired the reliever from Kansas City on Saturday for outfielder Edward Olivares and a player to be named. The 30-year-old Rosenthal has a 3.29 ERA ...