5:11 PM - Joe Boyle (OAK) Athletics placed Boyle on the 15-day IL on Monday due to a lower back strain.

10:37 AM - Joe Boyle (OAK) (1-4) took the loss Tuesday, giving up two runs on three hits and four walks over three innings as the A's fell 7-3 to the Yankees. He struck out six.

8:58 AM - Joe Boyle (OAK) (1-3) allowed seven earned runs on five hits and four walks while striking out three batters across six innings during Friday's 10-2 loss versus Cleveland.

7:21 PM - Joe Boyle (OAK) (1-2) suffered a tough-luck loss Saturday versus the Nationals. He yielded one run on five hits and one walk while striking out five in five innings of work.

5:48 PM - Joe Boyle (OAK) (1-1) earned the win Sunday against the Tigers, allowing zero runs on two hits and three walks over five innings. He struck out six.

6:26 PM - Joe Boyle (OAK) Mark Kotsay named Boyle the Athletics' fifth starter Tuesday, John Shea of the San Francisco Chronicle reports.

5:56 PM - Joe Boyle (OAK) is listed as the Athletics' starting pitcher for Saturday's game against the Tigers in Oakland, Evan Woodbery of MLive.com reports.

9:54 AM - Joe Boyle (OAK) opened Sunday's 10-1 loss to the Padres with three scoreless innings, allowing one hit and two walks while striking out four.

10:11 AM - Joe Boyle (OAK) is expected to be called up from Triple-A Las Vegas on Sunday to serve as the Athletics' opening pitcher in the series finale against the Padres, MLB.com reports.