Contreras went 1-for-3 with a two-run home run and a walk in Saturday's 14-3 loss to the Nationals.
Contreras got the Cardinals on the board in the sixth inning, but his homer only cut the deficit to 9-2. The catcher has gone 9-for-31 (.290) over eight games since the All-Star break. For the year, he's up to a .274/.396/.510 slash line with 12 homers, 28 RBI, 36 runs scored, three stolen bases and 13 doubles over 59 contests.