3:01 PM - Kyle Muller (OAK) Athletics reinstated Muller (shoulder) from the 15-day injured list Sunday.

11:20 AM - Kyle Muller (OAK) (shoulder) started Triple-A Las Vegas' loss to Oklahoma City on Tuesday, allowing two earned runs on two hits and a walk over 2.2 innings. He struck out five.

11:24 AM - Kyle Muller (OAK) (shoulder) allowed an earned run on two hits and two walks over 1.1 innings in a relief appearance for Triple-A Las Vegas against Sacramento on Friday. He struck out one.

11:54 AM - Kyle Muller (OAK) (shoulder) fired a scoreless inning during Triple-A Las Vegas' win over Sacramento on Tuesday, allowing a hit and recording a strikeout.

4:21 PM - Kyle Muller (OAK) (shoulder) will begin a rehab assignment at Triple-A Las Vegas on Tuesday, Martin Gallegos of MLB.com reports.

12:52 PM - Kyle Muller (OAK) (shoulder) is scheduled to throw a bullpen session Sunday, MLB.com reports.

2:36 PM - Kyle Muller (OAK) (shoulder) began a throwing program Thursday, MLB.com reports.

11:49 AM - Kyle Muller (OAK) (shoulder) is slated to be evaluated by team doctors next week, MLB.com reports.

10:11 AM - Kyle Muller (OAK) Athletics placed Muller on the 15-day injured list Thursday with left shoulder tendinitis.

12:42 PM - Kyle Muller (OAK) (0-1) took the loss in an extra-innings defeat at the hands of the Rockies on Wednesday, allowing two runs (one earned) on two hits over one inning.

2:27 PM - Kyle Muller (OAK) could follow starter Mitch Spence as a long reliever during Friday's game against the Royals, Martin Gallegos of MLB.com reports.

2:32 PM - Kyle Muller (OAK) replaced starter Joe Boyle with two outs in the third inning of Monday's loss to the Red Sox and allowed an earned run on one hit and two walks over 5.1 innings. He struck out six.

11:49 AM - Kyle Muller (OAK) fired 2.2 scoreless relief innings in a loss to the Guardians on Thursday, allowing a hit while recording two strikeouts. He also hit a batter.

2:41 PM - Kyle Muller (OAK) who struggled to a 1-5 record, 7.60 ERA and 1.96 WHIP across 77 innings in his Athletics debut campaign in 2023, made several changes to his mechanics this offseason, Martin Gallegos of MLB.com reports.

12:40 PM - Kyle Muller (OAK) tossed two innings out of the bullpen in Saturday's 3-2 loss to the Rangers, giving up two earned runs on four hits and two walks while striking out one.

10:27 AM - Kyle Muller (OAK) is slated to start Sunday's game against the Angels in Oakland.

3:07 PM - Kyle Muller (OAK) recalled Miller from Triple-A Las Vegas on Wednesday.

3:20 PM - Kyle Muller (OAK) was optioned to Triple-A Las Vegas on Sunday.

12:51 PM - Kyle Muller (OAK) Athletics recalled Muller from Triple-A Las Vegas on Saturday ahead of his start against the White Sox.

5:35 PM - Kyle Muller (OAK) optioned Muller to Triple-A Las Vegas on Tuesday.

4:06 PM - Kyle Muller (OAK) (1-3) took the loss Wednesday, allowing six runs on five hits and three walks over four innings against the Yankees. He struck out six.

3:18 AM - Kyle Muller (OAK) tossed five innings against the Angels on Thursday, allowing one run on four hits and one walk while striking out three batters. He did not factor in the decision.

12:39 PM - Kyle Muller (OAK) has been named the Athletics' Opening Day starter for their March 30 matchup against the Angels, Martin Gallegos of MLB.com reports.

3:06 AM - Kyle Muller (OAK) is 1-2 with a 5.65 ERA, 1.60 WHIP and 6:3 K:BB across 14.1 innings over four Cactus League appearances (three starts).

3:59 PM - Kyle Muller (OAK) Athletics acquired Muller from Atlanta on Monday in a three-team deal which also involved the Brewers, Kiley McDaniel of ESPN.com reports.