Nationals manager Matt Williams said after the game that X-rays taken on Desmond's hand were negative. He initially stayed in the game, but left after warming up before the bottom of the eighth inning. One of his warm-up throws sailed high above Nats first baseman Adam LaRoche. Danny Espinosa took over for Desmond at shortstop.
Desmond is batting .241 with 16 homers, 55 RBI, and a .722 OPS this season. His home run and RBI numbers are team highs.
Washington is currently tied with the Atlanta Braves for first place in the National League East.
Watch the vine of Desmond's warm-up throw below: