Uehara (knee, back) will not be available Saturday against the Cardinals, Carrie Muskat of MLB.com reports.

EDGE Analysis

The 42-year-old has been dealing with an infection in his right knee, and manager Joe Maddon revealed Saturday that Uehara is also nursing a back issue. Uehara has not pitched in a game since Sept. 2 and it's uncertain when he may be able to return to active competition.