1:25 PM - Joe Boyle (OAK) A's recalled Boyle from Triple-A Las Vegas on Sunday.

5:23 PM - Joe Boyle (OAK) Athletics optioned Boyle to Triple-A Las Vegas on Wednesday.

6:52 PM - Joe Boyle (OAK) is scheduled to start Monday's game against the Rays at Oakland Coliseum.

10:25 AM - Joe Boyle (OAK) came away with a no-decision in Tuesday's 9-4 win over the Mets, giving up four runs on seven hits and three walks over four-plus innings. He struck out six.

2:07 PM - Joe Boyle (OAK) Athletics recalled Boyle from Triple-A Las Vegas to start Tuesday's game against the Mets.

2:55 PM - Joe Boyle (OAK) has posted a 9.00 ERA and issued nine walks over the five innings covering his two starts with Triple-A Las Vegas since being optioned June 5 following his IL stint due to a lower-back issue.

5:07 PM - Joe Boyle (OAK) Athletics reinstated Boyle from the injured list Wednesday and optioned him to Triple-A Las Vegas.

11:37 AM - Joe Boyle (OAK) (back) started Triple-A Las Vegas' win over El Paso on Tuesday, firing three scoreless innings during which he allowed a hit and issued two walks while recording three strikeouts.

7:05 PM - Joe Boyle (OAK) (back) will make another rehab start at Triple-A Las Vegas on Tuesday, Martin Gallegos of MLB.com reports.

1:05 PM - Joe Boyle (OAK) (back) started Triple-A Las Vegas' loss to Sugar Land on Wednesday and fired 2.1 scoreless innings, allowing a hit and two walks while recording three strikeouts.

12:43 PM - Joe Boyle (OAK) (back) started Triple-A Las Vegas' loss to the Rainiers on Thursday and allowed four earned runs on three hits and two walks without recording an out.

12:09 PM - Joe Boyle (OAK) (back) is set to begin a rehab assignment at Triple-A Las Vegas in coming days, the Associated Press reports.

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.