6:34 PM - Alec Mills (CHC) (back) was activated from the 60-day injured list, cleared waivers and outrighted to Triple-A Iowa on Thursday, Andy Martinez of Marquee Sports Network reports.

11:46 AM - Alec Mills (CHC) underwent a procedure to remove a disc in his back Wednesday, Sahadev Sharma of The Athletic reports.

11:46 AM - Alec Mills (CHC) underwent a procedure to remove a disc in his back Wednesday, Sahadev Sharma of The Athletic reports.

6:27 PM - Alec Mills (CHC) (back) was transferred to the 60-day injured list Friday, Meghan Montemurro of the Chicago Tribune reports.

12:45 PM - Alec Mills (CHC) (back) is headed to the Cubs' spring training complex in Arizona "to begin building up," Maddie Lee of the Chicago Sun-Times reports.

12:18 PM - Alec Mills (CHC) Cubs placed Mills on the 15-day injured list Sunday with a lower-back strain, Jordan Bastian of MLB.com reports.

8:06 PM - Alec Mills (CHC) left Saturday's game against the Red Sox with lower-back pain, Pete Abraham of The Boston Globe reports.

11:57 AM - Alec Mills (CHC) will start Saturday's home game against the Red Sox.

11:39 AM - Alec Mills (CHC) will start Sunday's game against the Cardinals.

11:33 PM - Alec Mills (CHC) allowed five runs on eight hits across 4.1 innings of relief during Monday's loss to the Pirates. He had no walks and struck out two.

11:29 AM - Alec Mills (CHC) (0-1) allowed the winning run in the bottom of the 13th inning Friday to take the loss against the Yankees. He retired two batters and also allowed a hit and an intentional walk.

10:19 PM - Alec Mills (CHC) allowed two runs on four hits and a walk while striking out six in five innings of a 9-3 loss Tuesday in Baltimore. He did not factor into the decision.

5:01 PM - Alec Mills (CHC) (back) was reinstated from the 60-day injured list Tuesday, Meghan Montemurro of the Chicago Tribune reports.

5:44 PM - Alec Mills (CHC) (back) will make another rehab start at Triple-A Iowa on Tuesday, Maddie Lee of the Chicago Sun-Times reports.

10:15 AM - Alec Mills (CHC) (back) will throw a three-inning rehab start Friday, Maddie Lee of the Chicago Sun-Times reports.

6:00 PM - Alec Mills (CHC) (back) began a rehab assignment at Triple-A Iowa on Sunday and tossed 2.1 innings in his start against Columbus. He worked 2.1 innings and gave up one run on two hits and a walk while striking out two in Iowa's 5-2 loss.

5:32 PM - Alec Mills (CHC) (back) was transferred to the 60-day injured list Thursday, Tim Stebbins of NBC Sports Chicago reports.

5:58 PM - Alec Mills (CHC) (back/quadriceps) is scheduled to throw live batting practice Sunday, Maddie Lee of the Chicago Sun-Times reports.

10:20 AM - Alec Mills (CHC) (back/quadriceps) will throw off a mound within the next few days before being re-evaluated, Jordan Bastian of MLB.com reports.

4:44 PM - Alec Mills (CHC) (back/quadriceps) has resumed playing catch, Meghan Montemurro of the Chicago Tribune reports.

5:14 PM - Alec Mills (CHC) (back) isn't scheduled to make his second minor-league rehab start this week after he experienced right quadriceps tightness during a workout Tuesday, Meghan Montemurro of the Chicago Tribune reports.

4:26 PM - Alec Mills (CHC) (back) will throw a live BP session Tuesday, Jordan Bastian of MLB.com reports.

3:39 PM - Alec Mills (CHC) (back) will throw a bullpen session Tuesday, Meghan Montemurro of the Chicago Tribune reports.

12:38 PM - Alec Mills (CHC) (back) is scheduled to throw a simulated game Sunday, Tony Andracki of Marquee Sports Network reports.

10:56 AM - Alec Mills (CHC) allowed six runs (three earned) on seven hits across 1.2 innings in Friday's Cactus League game against the Rockies. He walked one and struck out one.

4:22 PM - Alec Mills (CHC) David Ross said Tuesday that Mills has secured a spot in the Cubs' Opening Day rotation, pending further additions to the roster, Gordon Wittenmyer of NBC Sports Chicago reports.

10:28 PM - Alec Mills (CHC) allowed two runs across four innings and did not factor into the decision Sunday against the Cardinals. He gave up four hits and two walks while striking out one.

10:42 PM - Alec Mills (CHC) allowed six runs on seven hits across five innings but did not factor into the decision Tuesday against the Pirates. He walked two and struck out four.

10:59 PM - Alec Mills (CHC) allowed four runs on six hits across 4.2 innings but did not factor into the decision Wednesday against the Phillies. He walked two and struck out four.

11:03 PM - Alec Mills (CHC) pitched six innings giving up one run on four hits and a walk while striking out three in Wednesday's victory over the Reds. He did not factor into the game's decision.

6:22 PM - Alec Mills (CHC) allowed five runs (two earned) on seven hits and struck out six in 5.2 innings in a no-decision versus Pittsburgh on Friday.

10:58 AM - Alec Mills (CHC) (5-6) was tagged with the loss Sunday against the Royals after allowing seven runs (six earned) on 11 hits across four innings, striking out five.

4:40 PM - Alec Mills (CHC) (5-5) allowed two runs across 5.2 innings to take the loss Sunday against the Marlins. He gave up seven hits and a walk while striking out four.

3:04 AM - Alec Mills (CHC) pitched 2.1 innings on one hit while striking out three in Game 2 of Tuesday's doubleheader against the Brewers. He did not factor into the decision.

9:56 PM - Alec Mills (CHC) and the Cubs won't play against the Brewers on Monday after the game was postponed due to inclement weather, Todd Rosiak of the Milwaukee Journal Sentinel reports.

10:51 PM - Alec Mills (CHC) (4-4) allowed four runs (three earned) across six innings to take the loss Thursday against the Reds. He gave up nine hits with no walks or strikeouts.

9:46 PM - Alec Mills (CHC) allowed two earned runs on three hits and two walks while striking out one across five innings Saturday against the Diamondbacks. He did not factor into the decision.

11:54 PM - Alec Mills (CHC) (4-3) allowed five runs (one earned) across four innings to take the loss Monday against the Cardinals. He gave up five hits and two walks while striking out six.

8:55 PM - Alec Mills (CHC) (3-1) allowed six hits and struck out three across five scoreless innings to earn the win Sunday versus Miami.

10:20 AM - Alec Mills (CHC) will receive the starting nod in Sunday's game against the Marlins.

11:20 PM - Alec Mills (CHC) (2-1) allowed three runs on five hits across 4.1 innings to take the loss Tuesday against the Mets. He walked two and struck out six.

4:30 PM - Alec Mills (CHC) will start Tuesday against the Mets, Meghan Montemurro of the Chicago Tribune reports.

6:50 PM - Alec Mills (CHC) will not start Sunday against St. Louis as previously reported, Gordon Wittenmyer of NBC Sports Chicago reports.

3:57 PM - Alec Mills (CHC) will start Sunday's game against the Cardinals, Maddie Lee of NBC Sports Chicago reports.

9:36 PM - Alec Mills (CHC) (back) was activated from the 10-day injured list Tuesday, Russell Dorsey of the Chicago Sun-Times reports.

6:49 PM - Alec Mills (CHC) (back) worked six scoreless innings for Triple-A Iowa in his most recent rehab start June 2, scattering two hits and one walk while striking out four in the 60-pitch outing.

7:34 PM - Alec Mills (CHC) (back) will make a rehab start Sunday for Triple-A Iowa, Andy Martinez of Marquee Sports Network reports.

7:16 PM - Alec Mills (CHC) (back) will throw a light bullpen session Thursday, Maddie Lee of NBC Sports Chicago reports.

11:59 AM - Alec Mills (CHC) was placed on the 10-day injured list Sunday with a strained lower back.

7:17 AM - Alec Mills (CHC) (1-0) pitched three scoreless innings while allowing just one hit and striking out two as he picked up the win over the Mets on Wednesday.

9:57 AM - Alec Mills (CHC) covered an inning in relief during Sunday's 13-4 loss to Atlanta, giving up three runs on five hits and a walk while striking out one.

8:46 PM - Alec Mills (CHC) unclear if Kyle Hendricks (illness) will be ready for his next turn through the rotation Sunday, Russell Dorsey of the Chicago Sun-Times reports, which could give Mills another start.

11:10 PM - Alec Mills (CHC) allowed two runs on two hits across four innings and did not factor into the decision in Tuesday's win over the Brewers.

7:28 PM - Alec Mills (CHC) will start Tuesday's game against the Brewers.

10:40 PM - Alec Mills (CHC) pitched a scoreless ninth inning with a strikeout to record the save in Monday's 5-3 win over the Brewers.

4:34 PM - Alec Mills (CHC) will begin the 2021 season in the bullpen, Tony Andracki of Marquee Sports Network reports.

8:28 PM - Alec Mills (CHC) is expected to begin the season as the Cubs' No. 5 pitcher, Jordan Bastian of MLB.com reports.

7:43 PM - Alec Mills (CHC) allowed three runs on six hits and three walks across three innings in Monday's Cactus League game against the White Sox. He struck out one.

8:39 PM - Alec Mills (CHC) allowed one run across 2.1 innings in Wednesday's Cactus League game against the Giants. He gave up three hits and a walk, while striking out one.

2:25 PM - Alec Mills (CHC) pitched two scoreless innings in Friday's Cactus League game against Cleveland. He walked one and struck out one.

8:56 PM - Alec Mills (CHC) could work in either a bullpen or starting role this season, Maddie Lee of NBC Sports Chicago reports.

7:43 PM - Alec Mills (CHC) (5-5) allowed four runs on eight hits across 3.2 innings to take the loss Thursday against the Pirates. He walked one and struck out two.

5:52 PM - Alec Mills (CHC) (5-3) allowed three walks and no hits while striking out five across nine scoreless innings to earn the win Sunday against the Brewers.

7:13 PM - Alec Mills (CHC) (3-3) allowed four runs on seven hits across five innings to take the loss Thursday against the Pirates. He walked one and struck out two.

6:46 PM - Alec Mills (CHC) will start Thursday's game on the road against the Pirates, Mark Gonzales of the Chicago Tribune reports.

10:43 PM - Alec Mills (CHC) (3-2) earned the win Monday by allowing three earned runs over seven innings against the Tigers. He gave up seven hits and a walk, while striking out seven.

11:40 PM - Alec Mills (CHC) (2-2) took the loss in Game 1 of Wednesday's doubleheader against the Cardinals. He allowed six earned runs on seven hits and two walks across 3.2 innings, while striking out just one.

7:39 AM - Alec Mills (CHC) (2-1) took the loss Friday, allowing four runs on five hits and a walk over six innings as the Cubs fell 4-3 to the Brewers. He struck out seven.

6:06 PM - Alec Mills (CHC) will start Friday against the Brewers after Tyler Chatwood was scratched with mid-back tightness, Jordan Bastian of MLB.com reports.

11:48 PM - Alec Mills (CHC) (2-0) pitched seven scoreless innings to pick up the win against the Royals Monday. He allowed three hits and three walks, while striking out four.

10:08 PM - Alec Mills (CHC) (1-0) allowed two earned runs on two hits and two walks while striking out three across six innings to earn the win Tuesday against the Reds.

4:54 PM - Alec Mills (CHC) David Ross said Mills will open the season as Chicago's fifth starter, Mark Gonzales of the Chicago Tribune reports.

2:15 PM - Alec Mills (CHC) is well-positioned to break camp as Chicago's fifth starter after Jose Quintana underwent thumb surgery Thursday, Mark Gonzales of the Chicago Tribune reports.

11:22 AM - Alec Mills (CHC) could work as the Cubs' sixth starter when the regular season is able to begin, Scot Gregor of the Chicago Daily Herald reports.

7:45 PM - Alec Mills (CHC) will likely serve as the Cubs' long reliever when the regular season is able to begin, Mark Gonzales of the Chicago Tribune reports.

1:28 PM - Alec Mills (CHC) added a slow curveball to his pitch mix last season and opposing batters hit just .143 against it, Jordan Bastian of MLB.com reports.

3:05 PM - Alec Mills (CHC) will start Saturday's Cactus League opener against the Athletics, Jesse Rogers of ESPN.com reports.

5:27 PM - Alec Mills (CHC) is set to start Friday against the Cardinals, Jordan Bastian of MLB.com reports.

8:08 PM - Alec Mills (CHC) tossed 4.2 scoreless innings while allowing two hits and two walks with six strikeouts during a no-decision against the Cardinals on Friday.

5:41 PM - Alec Mills (CHC) will start Friday in place of Cole Hamels, who was scratched with shoulder fatigue, Mark Gonzales of the Chicago Tribune reports.

11:46 PM - Alec Mills (CHC) (1-0) picked up the win Monday against the Reds, tossing two scoreless innings in relief. He allowed one hit and struck out three.

9:20 AM - Alec Mills (CHC) recorded the save in Friday's 18-7 win over the Pirates, tossing three innings of one-run ball. He allowed two hits while striking out four.

12:08 PM - Alec Mills (CHC) was recalled from Triple-A Iowa on Sunday.

4:07 PM - Alec Mills (CHC) was optioned to Triple-A Iowa on Thursday, Mark Gonzales of the Chicago Tribune reports.

4:20 PM - Alec Mills (CHC) was recalled from Triple-A Iowa prior to Friday's game against the Reds, Jesse Rogers of ESPN.com reports.

6:43 PM - Alec Mills (CHC) was optioned to Triple-A Iowa on Tuesday, Mark Gonzales of the Chicago Tribune reports.

12:33 PM - Alec Mills (CHC) will start Monday on the road against the Giants, Jordan Bastian of MLB.com reports.

8:12 AM - Alec Mills (CHC) didn't factor into the decision in Tuesday's 4-3 extra-inning win over the Reds, giving up three runs on five hits and a walk over six innings while striking out six.

4:54 PM - Alec Mills (CHC) was recalled as expected ahead of his scheduled start Tuesday against the Reds.

6:29 PM - Alec Mills (CHC) will be recalled to start Tuesday against Cincinnati, Jesse Rogers of ESPN.com reports.

3:58 PM - Alec Mills (CHC) was optioned to Triple-A Iowa on Wednesday, Mark Gonzales of the Chicago Tribune reports.

1:03 PM - Alec Mills (CHC) was called up from Triple-A Iowa on Sunday.

7:59 PM - Alec Mills (CHC) (back) was optioned to Triple-A Iowa on Saturday, Jordan Bastian of MLB.com reports.

1:33 PM - Alec Mills (CHC) (back) is scheduled to pitch in Saturday's spring game against the Rockies, Mark Gonzales of the Chicago Tribune reports.

4:20 PM - Alec Mills (CHC) (back) completed a bullpen session Friday, Jordan Bastian of MLB.com reports.

3:20 PM - Alec Mills (CHC) scratch from his scheduled start Saturday against the Angels was due to back stiffness, Gordon Wittenmyer of the Chicago Sun-Times reports.

2:27 PM - Alec Mills (CHC) was scratched from his scheduled start Saturday against the Angels with a back issue, Mark Gonzales of the Chicago Tribune reports.

9:19 PM - Alec Mills (CHC) tossed two scoreless innings to record the win in Monday's Cactus League game over the Reds. He allowed a hit and a walk to go along with three strikeouts.

9:15 AM - Alec Mills (CHC) Cubs recalled Mills from Triple-A Iowa on Sunday.

1:11 PM - Alec Mills (CHC) is with the Cubs but isn't eligible to return to the active roster until Sunday, Carrie Muskat of MLB.com reports.