Polanco had been on the DL since June 29 with left elbow inflammation. In 62 games this season he is batting .318 with five homers and 27 RBIs. He also played two rehab games with Class A Clearwater.
He went 1-for-5, driving in the tying run in the top of the ninth as the Phillies rallied for a 4-1 win.
Infielder Juan Castro was given his unconditional release Saturday to make room for Polanco on the roster. Castro batted .198 with 13 RBIs in 54 games for Philadelphia this season.
Information from The Associated Press was used in this report.