Pecko is slated to start Tuesday's game against the Yankees in New York.
McCray went 1-for-3 with a triple in Monday's 5-0 win over the Reds.
Rodriguez (elbow) went 0-for-4 in Triple-A Sacramento's 3-1 loss to Tacoma on Sunday.
Gilbert went 2-for-4 with two doubles and two runs scored in Monday's 5-0 win over the Reds.
Gage (elbow) allowed one earned run on two hits and one walk across one inning in Triple-A Sacramento's 15-11 loss to Tacoma on Saturday.
Whisenhunt will undergo an MRI on his left elbow Tuesday, Shayna Rubin of the San Francisco Chronicle reports.
Devers went 2-for-4 with a three-run home run and an additional run scored in Monday's 5-0 win over the Reds.
Whisenhunt left Monday's game against the Reds due to left elbow pain, Shayna Rubin of the San Francisco Chronicle reports.
Whisenhunt left Monday's start against the Reds due to an apparent left arm injury, Gordon Wittenmyer of The Cincinnati Enquirer reports. He allowed two hits and one walk while striking out three over 2.2 scoreless innings prior to exiting.
Thaiss signed a minor-league contract with the Astros on July 24.
