CINCINNATI (AP) The Cincinnati Reds placed left-handed pitcher Manny Parra on the 15-day disabled list on Sunday, retroactive to Wednesday, and promoted right-hander Collin Balester from Triple-A Louisville.

Louisville right-hander Donn Roach was designated for assignment to make room on the 60-day roster for Balester, who was 0-0 with a 2.45 earned-run average and seven saves in 29 games for the Bats.

Parra was sidelined with biceps tendinitis and a left shoulder injury. This is his third trip to the disabled list this season. He was out from April 29-May 25 with a strained neck and from July 20-Aug. 4 with a left elbow injury.

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Roach was claimed off waivers from the Cubs on July 13 and went 2-4 with a 6.00 ERA in seven games, all starts, for Louisville.