3:20 PM - Mason Miller (OAK) who'd pitched just once in the previous 11 games entering Tuesday's extra-inning loss to the Astros, threw 14 fastballs of at least 100.5 mph on his 29 pitches during his two scoreless innings, Martin Gallegos of MLB.com reports.

10:17 AM - Mason Miller (OAK) fired two perfect innings during which he recorded four strikeouts in the first game of a doubleheader against the Rangers on Wednesday.

5:43 PM - Mason Miller (OAK) tossed a clean ninth inning, striking out all three batters he faced to pick up his fifth save during Monday's 2-0 win over the Yankees.

8:52 AM - Mason Miller (OAK) pitched a scoreless ninth inning against the Cardinals to record his fourth save Wednesday, striking out two and walking one while not allowing any hits.

6:20 AM - Mason Miller (OAK) tossed a perfect ninth inning Tuesday in a 4-3 win over the Rangers. He struck out two.

11:25 PM - Mason Miller (OAK) worked the ninth inning of Saturday's 12-3 loss to the Guardians, allowing two earned runs on three hits and a walk over one inning. He struck out one.

11:24 AM - Mason Miller (OAK) manager Mark Kotsay indicated recently that he would like to see Miller gradually move up the bullpen hierarchy rather than anointing him as closer right away, Martin Gallegos of MLB.com reports.

12:32 PM - Mason Miller (OAK) served as a traditional reliever and didn't factor into the decision in the Athletics' loss to the Tigers on Thursday, allowing two runs (one earned) on three hits and a walk over two-plus innings. He struck out two.

9:50 AM - Mason Miller (OAK) (0-1) took the loss as the opener against the Padres on Saturday, allowing two earned runs on two hits and three walks over one inning. He struck out two.

6:24 PM - Mason Miller (OAK) is listed as the Athletics' opening pitcher for Saturday's game against the Padres.

1:09 PM - Mason Miller (OAK) served as the opener in the Athletics' win over the Astros on Monday and didn't factor into the decision, firing two scoreless innings during which he allowed a hit, issued a walk and recorded three strikeouts.

7:04 PM - Mason Miller (OAK) is expected to throw around 50 pitches or three innings Monday against the Astros, Nathan Han of MLB.com reports.

5:02 PM - Mason Miller (OAK) is scheduled to start Monday's game against the Astros, though he'll remain on a pitch count, Martin Gallegos of MLB.com reports.

10:05 AM - Mason Miller (OAK) threw two perfect innings while striking out three in Wednesday's 5-2 win over Toronto.

1:11 PM - Mason Miller (OAK) (elbow) was activated from the 60-day injured list Wednesday.

2:22 PM - Mason Miller (OAK) manager Mark Kotsay confirmed Monday that Miller (elbow) will be activated at some point this week, Martin Gallegos of MLB.com reports.

7:00 PM - Mason Miller (OAK) manager Mark Kotsay said Wednesday that Miller (elbow) will likely make one more rehab start, Martin Gallegos of MLB.com reports.

3:38 PM - Mason Miller (OAK) (elbow) started Triple-A Las Vegas' win over Sacramento on Tuesday, firing a scoreless first inning during which he issued two walks and recorded three strikeouts.

11:04 AM - Mason Miller (OAK) (elbow), who was able to hit triple digits on the radar gun in his most recent rehab start for Triple-A Las Vegas, is expected to be activated if his next outing with the Aviators goes well, the team's official site reports.

2:00 PM - Mason Miller (OAK) (elbow) shifted his rehab assignment Thursday to Triple-A Las Vegas.

1:48 PM - Mason Miller (OAK) (elbow) surrendered two earned runs on three hits and one walk while striking out two over 1.2 innings Sunday in his second rehab start with Single-A Stockton.

11:28 AM - Mason Miller (OAK) (elbow) struck out two and gave up no hits and one walk over two scoreless innings in a rehab start Wednesday with Single-A Stockton.

6:19 PM - Mason Miller (OAK) (elbow) will begin a rehab assignment this week with Single-A Stockton, Martin Gallegos of MLB.com reports.

12:27 PM - Mason Miller (OAK) (elbow) will throw another live batting practice Saturday at the Athletics' complex in Arizona, the Associated Press reports.

3:23 PM - Mason Miller (OAK) (elbow) came away from throwing live batting practice earlier in the week feeling good, and the Athletics are currently assessing the next step in his rehabilitation, the team's official site reports.

6:51 PM - Mason Miller (OAK) (elbow) threw a bullpen session Saturday and said afterward that he will face live hitters next week, Sonja Chen of MLB.com reports.

10:25 AM - Mason Miller (OAK) (elbow) threw a 20-pitch bullpen session Wednesday, the Associated Press reports.

12:05 PM - Mason Miller (OAK) (elbow) completed an all-fastballs flat ground session Saturday, the Associated Press reports.

7:01 PM - Mason Miller (OAK) (elbow) will throw a 20-pitch bullpen session Saturday, Martin Gallegos of MLB.com reports.

2:01 PM - Mason Miller (OAK) (elbow) was recently evaluated by Dr. Keith Meister and has progressed to throwing on flat ground, the team's official site reports.

5:17 PM - Mason Miller (OAK) (elbow) was transferred Friday from the 15-day injured list to the 60-day injured list.

11:15 AM - Mason Miller (OAK) Athletics announced Wednesday that Miller (elbow) has resumed a throwing program, Martin Gallegos of MLB.com reports.

6:51 PM - Mason Miller (OAK) was diagnosed Tuesday with a mild UCL sprain in his right elbow, Martin Gallegos of MLB.com reports.

2:39 PM - Mason Miller (OAK) manager Mark Kotsay said that Miller (elbow) is scheduled to received a second opinion Tuesday in Dallas from Dr. Keith Meister, Matt Kawahara of the San Francisco Chronicle reports.

5:16 PM - Mason Miller (OAK) was placed on the 15-day injured list Thursday, retroactive to May 8, with right elbow inflammation.

5:33 PM - Mason Miller (OAK) manager Mark Kotsay said Tuesday that an MRI on Miller's right elbow came back clean, Martin Gallegos of MLB.com reports.

5:07 PM - Mason Miller (OAK) is headed back to the Bay Area to be evaluated after feeling tightness in his right elbow following Sunday's start against the Royals, Martin Gallegos of MLB.com reports.

6:14 AM - Mason Miller (OAK) (0-2) allowed two runs on five hits and a walk while striking out five over six innings in a loss to the Royals.

6:08 AM - Mason Miller (OAK) (0-1) took the loss Tuesday against the Angels, allowing four runs on five hits and a walk while striking out six over four innings.

2:34 PM - Mason Miller (OAK) didn't factor into the decision in Wednesday's 12-2 loss to the Cubs, allowing two earned runs on four hits and a walk while striking out five across 4.1 innings. He also uncorked a wild pitch and hit a batter.

2:20 PM - Mason Miller (OAK) Athletics selected Miller's contract from Triple-A Las Vegas on Wednesday.

7:02 PM - Mason Miller (OAK) manager Mark Kotsay confirmed that Miller will be promoted from Triple-A Las Vegas ahead of Wednesday's game against the Cubs and will remain a member of the rotation, Martin Gallegos of MLB.com reports.

2:52 PM - Mason Miller (OAK) will be promoted by the Athletics and could make his major-league debut as soon as Wednesday against the Cubs, Matt Kawahara of the San Francisco Chronicle reports.

4:30 PM - Mason Miller (OAK) was promoted from Double-A Midland to Triple-A Las Vegas on Tuesday.