Polanco had surgery Thursday to repair the patellar tendon in his left knee, Jeff Passan of ESPN.com reports.

Santos, who was activated from the injured list Sept. 23, subsequently made two relief appearances during which he fired two scoreless innings while allowing one hit and recording one strikeout.

Crawford went 2-for-3 with a run in a win over the Athletics on Sunday.

Raleigh went 2-for-4 with a two-run home run and an additional run scored in Sunday's 6-4 win over the Athletics.

Gilbert (9-12) allowed one hit and struck out seven without walking a batter over 5.2 scoreless innings to earn the win Sunday over the Athletics.

Hancock did not factor into the decision in Saturday's extra-inning win over the Athletics, allowing three earned runs on five hits and four walks over 5.1 innings. He struck out three.