Grandal went 1-for-4 with a solo home run in Monday's 5-3 win over the Astros.
Grandal got the Pirates on the board with a sixth-inning solo shot. He's hit two of his four homers in July, going 6-for-29 (.207) over 10 contests this month. The catcher has a poor .184/.221/.319 slash line with 18 RBI, 12 runs scored and one stolen base over 150 plate appearances. Barring a drastic improvement in performance, Grandal figures to remain in the backup catcher role behind Joey Bart.