2:25 PM - Luis Medina (OAK) (elbow) underwent successful Tommy John surgery Wednesday in Arlington, Texas, Jason Burke of SI.com reports.

5:16 PM - Luis Medina (OAK) Athletics transferred Medina (elbow) to the 60-day injured list Friday.

2:51 PM - Luis Medina (OAK) (elbow) will seek a second opinion on the UCL damage that's sidelined him since July 13, the Associated Press reports.

11:26 AM - Luis Medina (OAK) who was placed on the injured list Saturday with a right elbow sprain, is expected to miss "significant time" according to manager Mark Kotsay, MLB.com reports.

12:43 PM - Luis Medina (OAK) Athletics placed Medina on the 15-day injured list Saturday with a right elbow sprain.

9:55 AM - Luis Medina (OAK) allowed one run on four hits and three walks while striking out five over six innings Sunday against the Diamondbacks. He did not factor into the decision.

3:47 AM - Luis Medina (OAK) (0-2) took the loss against Minnesota on Thursday, allowing four runs on eight hits and one walk while striking out three batters over five innings.

10:14 AM - Luis Medina (OAK) (knee) was activated from the 60-day injured list and will start Sunday's game against Atlanta.

2:42 PM - Luis Medina (OAK) (knee) is slated to start Sunday's series finale with Atlanta, Martin Gallegos of MLB.com reports.

11:03 AM - Luis Medina (OAK) (knee) returned to the Athletics following his latest rehab start with Triple-A Las Vegas on Tuesday and could be activated during this weekend's series with Atlanta, MLB.com reports.

11:52 AM - Luis Medina (OAK) (knee) allowed two earned runs on four hits and two walks over 3.2 innings in Triple-A Las Vegas' win over Sugar Land on Tuesday. He struck out six and also hit two batters.

12:01 PM - Luis Medina (OAK) (knee) started Triple-A Las Vegas' loss to Tacoma on Wednesday, allowing five earned runs on four hits, a walk, a wild pitch and a hit batsman over 2.1 innings. He struck out one.

7:42 PM - Luis Medina (OAK) (knee) began a rehab assignment Wednesday in the rookie-level Arizona Complex League and was charged with six earned runs on six hits and zero walks while striking out three over two innings.

7:24 PM - Luis Medina (OAK) (knee) is scheduled to throw around 45 pitches Wednesday in a simulated game at extended spring training, Martin Gallegos of MLB.com reports.

1:38 PM - Luis Medina (OAK) (knee) faced hitters during a 20-pitch live bullpen session at the Oakland Coliseum on Monday and came away feeling good, MLB.com reports.

7:54 PM - Luis Medina (OAK) (knee) is scheduled to throw a bullpen session Tuesday, Martin Gallegos of MLB.com reports.

2:46 PM - Luis Medina (OAK) (knee) threw a successful bullpen session Tuesday, the Associated Press reports.

12:07 PM - Luis Medina (OAK) (knee) is on track to begin a rehab assignment next week, Martin Gallegos of MLB.com reports.

3:10 PM - Luis Medina (OAK) (knee) has started a running program, the Associated Press reports.

12:03 PM - Luis Medina (OAK) Athletics transferred Medina (knee) from the 15-day injured list to the 60-day IL on Thursday.

3:53 PM - Luis Medina (OAK) Athletics placed Medina on the 15-day injured list Thursday, retroactive to March 25, with a right knee MCL sprain.

11:53 AM - Luis Medina (OAK) manager Mark Kotsay said Wednesday that Medina has been diagnosed with a Grade 2 sprain of the MCL in his right knee, Martin Gallegos of MLB.com reports.

11:11 AM - Luis Medina (OAK) (knee) was getting around on crutches in the Athletics' clubhouse Wednesday, Martin Gallegos of MLB.com reports.

5:21 PM - Luis Medina (OAK) left Monday's Cactus League game against the Reds due to a right knee sprain, Martin Gallegos of MLB.com reports.

6:48 AM - Luis Medina (OAK) did not factor into the decision Thursday, allowing one run on three hits and three walks over six innings against the Twins. He struck out four.

4:39 AM - Luis Medina (OAK) (3-10) took the loss against Detroit on Thursday, allowing five runs (four earned) on six hits and one walk while striking out five batters over five innings.

6:37 PM - Luis Medina (OAK) (3-9) allowed five runs on six hits and three walks while striking out three over 4.1 innings to take the loss versus the Rangers on Sunday.

9:41 AM - Luis Medina (OAK) (finger) didn't factor into the decision in the Athletics' 6-5 extra-inning loss to the Blue Jays on Monday, allowing three runs on three hits and three walks over 4.2 innings. He struck out three.

1:16 PM - Luis Medina (OAK) (blister) was activated from the 15-day injured list Monday.

11:44 AM - Luis Medina (OAK) (blister) struck out seven and gave up one earned run on four hits and one walk over 3.1 innings in a rehab start with Triple-A Las Vegas on Wednesday.

8:25 PM - Luis Medina (OAK) (finger) came away from Friday's touch-and-feel bullpen session without any setbacks and is therefore set for a full session early in the week, the team's official site reports.

7:17 PM - Luis Medina (OAK) (finger) will throw a bullpen session with Triple-A Las Vegas on Friday, Joey Pollizze of MLB.com reports.

5:55 PM - Luis Medina (OAK) was placed on the 15-day injured list retroactive to Aug. 19 with a blister on his right index finger.

4:31 PM - Luis Medina (OAK) will work in bulk relief Friday against the Orioles, Martin Gallegos of MLB.com reports.

8:20 AM - Luis Medina (OAK) allowed four runs (three earned) on five hits and five walks over 3.1 innings in Sunday's win over the Giants. He struck out three and did not factor in the decision.

7:07 PM - Luis Medina (OAK) (3-8) allowed two runs on six hits and struck out six without walking a batter over 5.1 innings, but he took the loss Sunday versus the Rockies.

7:33 PM - Luis Medina (OAK) allowed a run on two hits and three walks while striking out six over five innings in a no-decision versus the Astros on Sunday.

3:19 PM - Luis Medina (OAK) is expected to serve as the Athletics' bulk reliever Friday in Boston, Martin Gallegos of MLB.com reports.

11:56 AM - Luis Medina (OAK) (2-7) earned the win Friday, allowing one run on four hits and five walks over five innings in a 7-4 win over the White Sox. He struck out four.

9:54 AM - Luis Medina (OAK) will serve as a bulk reliever behind opening pitcher Ken Waldichuk in Tuesday's game against the Guardians, Martin Gallegos of MLB.com reports.

9:46 AM - Luis Medina (OAK) dropped to 1-6 in Wednesday's 6-3 loss to the Rays after allowing four runs on eight hits and one walk over 4.2 innings. He struck out five.

6:06 PM - Luis Medina (OAK) is set to work as a bulk reliever Friday versus the Brewers, Martin Gallegos of MLB.com reports.

12:55 PM - Luis Medina (OAK) is scheduled to serve as a bulk reliever behind opening pitcher Ken Waldichuk in Sunday's game against the Astros, Martin Gallegos of MLB.com reports.

7:21 PM - Luis Medina (OAK) did not factor into the decision Wednesday, allowing three runs on three hits and two walks over six innings against the Diamondbacks. He struck out six.

11:36 AM - Luis Medina (OAK) is listed as the Athletics' starting pitcher for Wednesday's game against the Diamondbacks.

5:37 PM - Luis Medina (OAK) will start for the Athletics on Thursday versus the Rangers.

5:11 PM - Luis Medina (OAK) recalled Medina from Triple-A Las Vegas on Thursday.

1:14 PM - Luis Medina (OAK) was optioned to Triple-A Las Vegas by the Athletics on Thursday, Martin Gallegos of MLB.com reports.

5:07 PM - Luis Medina (OAK) recalled Medina from Triple-A Las Vegas on Tuesday.

6:11 PM - Luis Medina (OAK) will be recalled from Triple-A Las Vegas by the Athletics and is expected to start Wednesday's game against the Angels, Hector Gomez of Z101Digital.com reports.

4:42 PM - Luis Medina (OAK) was traded from the Yankees to the Athletics along with Ken Waldichuk, JP Sears and Cooper Bowman in exchange for Frankie Montas and Lou Trivino, Jack Curry of YES Network reports.

4:42 PM - Luis Medina (OAK) was traded from the Yankees to the Athletics along with Ken Waldichuk, JP Sears and Cooper Bowman in exchange for Frankie Montas and Lou Trivino, Jack Curry of YES Network reports.