2:37 PM - Tony Santillan (CIN) will serve as the Reds' opening pitcher in Tuesday's game versus the Cubs, Mark Sheldon of MLB.com reports.

12:50 PM - Tony Santillan (CIN) selected Santillan's contract from Triple-A Louisville on Saturday.

2:20 PM - Tony Santillan (CIN) Reds reassigned Santillan to minor-league camp Friday, Gordon Wittenmyer of Cincinnati Enquirer reports.

5:36 PM - Tony Santillan (CIN) re-signed Santillan on Thursday to a minor-league contract with an invitation to spring training.

6:01 PM - Tony Santillan (CIN) cleared waivers Friday and was sent outright to Triple-A Louisville, Charlie Goldsmith of The Cincinnati Enquirer reports.

6:42 PM - Tony Santillan (CIN) was designated for assignment by the Reds on Tuesday.

1:31 PM - Tony Santillan (CIN) has given up four earned runs on six hits and two walks while striking out seven in six innings across six relief appearances for Triple-A Louisville since the Reds optioned him to the minors July 19.

12:05 PM - Tony Santillan (CIN) added Santillan as the 27th man for Tuesday night's game against the Giants.

1:07 PM - Tony Santillan (CIN) Reds optioned Santillan to Triple-A Louisville on Saturday.

8:48 AM - Tony Santillan (CIN) (1-0) picked up the win in Thursday's game against Washington. He allowed one hit over a scoreless ninth inning in a 5-4 extra-inning win.

12:03 PM - Tony Santillan (CIN) (back/hamstring) was activated from the 60-day injured list Thursday, Charlie Goldsmith of The Cincinnati Enquirer reports.

5:40 PM - Tony Santillan (CIN) (hamstring) began a rehab assignment with Triple-A Louisville on Tuesday.

1:28 PM - Tony Santillan (CIN) (knee/hamstring) resumed throwing bullpen sessions Saturday, Charlie Goldsmith of The Cincinnati Enquirer reports.

2:56 PM - Tony Santillan (CIN) (back/knee/hamstring) recently scheduled live batting practice session was scratched due to left hamstring soreness, Bobby Nightengale of the Cincinnati Enquirer reports.

2:40 PM - Tony Santillan (CIN) (back) was transferred to the 60-day injured list by the Reds on Friday.

5:18 PM - Tony Santillan (CIN) (back) was pulled off his rehab assignment Friday due to right knee discomfort.

11:30 AM - Tony Santillan (CIN) (back) will report to Triple-A Louisville on Tuesday to begin a rehab assignment, C. Trent Rosecrans of The Athletic reports.

11:25 AM - Tony Santillan (CIN) (back) was placed on the 15-day injured list Thursday.

3:06 PM - Tony Santillan (CIN) (back) is scheduled to pitch a minor-league game Wednesday for the Reds in Arizona, Bobby Nightengale of The Cincinnati Enquirer reports.

12:20 PM - Tony Santillan (CIN) (back) is throwing a side session Tuesday in Reds camp, Charlie Goldsmith of the Cincinnati Enquirer reports.

6:57 PM - Tony Santillan (CIN) (back) could be delayed at the start of the season, Reds manager David Bell told Charlie Goldsmith of the Cincinnati Enquirer on Tuesday.

5:02 PM - Tony Santillan (CIN) (back) is unlikely to return this season, Bobby Nightengale of The Cincinnati Enquirer reports.

3:52 PM - Tony Santillan (CIN) Reds transferred Santillan (back) to the 60-day injured list Tuesday.

8:30 PM - Tony Santillan (CIN) (back) began core-strengthening exercises this weekend and could be cleared to resume a throwing program within the next week, Bobby Nightengale of The Cincinnati Enquirer reports.

3:48 PM - Tony Santillan (CIN) was placed on the 15-day injured list due to a back injury Friday.

10:02 PM - Tony Santillan (CIN) (0-1) allowed four runs (two earned) on two hits and two walks to blow the save and take the loss Thursday against the Diamondbacks.

10:36 PM - Tony Santillan (CIN) allowed two hits and a walk with two strikeouts in 1.1 innings to earn the save in Saturday's 3-2 win over the Giants.

5:11 PM - Tony Santillan (CIN) earned the save in Thursday's win over the Guardians. He struck out one batter in 1.2 perfect innings.

7:55 PM - Tony Santillan (CIN) really struggled in Thursday's loss to the Padres, retiring two batters while hitting two batters, walking another and then giving up a bases-loaded double, with a lack of common of his slider being the culprit, Mark Sheldon of MLB.com reports. "Right from pitch one, it looked like he was maybe overthrowing his slider a little bit, pulling it," Reds manager David Bell said.

7:35 PM - Tony Santillan (CIN) is expected to fill a high-leverage middle-innings role this season, Charlie Goldsmith of The Cincinnati Enquirer reports.

4:07 PM - Tony Santillan (CIN) told Charlie Goldsmith of The Cincinnati Enquirer on Tuesday that he'll serve as a reliever for the Reds to begin the season. "I'll go in and attack every hitter I face," said.

3:21 PM - Tony Santillan (CIN) is under consideration for one of the three open spots in the Reds' rotation, though he hasn't worked more than two innings in spring training so far, Charlie Goldsmith of The Cincinnati Enquirer reports.

11:42 AM - Tony Santillan (CIN) (ankle) is scheduled to start Sunday's spring training game against the Giants, Bobby Nightengale of The Cincinnati Enquirer reports.

4:11 PM - Tony Santillan (CIN) underwent ankle surgery during the offseason but has been throwing bullpens to begin spring training, Bobby Nightengale of The Cincinnati Enquirer reports.

10:58 PM - Tony Santillan (CIN) (1-3) allowed one run on one hit with two strikeouts in an inning of work, taking the loss in Saturday's 8-6 defeat to the Pirates. He also hit a batter.

7:00 PM - Tony Santillan (CIN) allowed a solo homer in Saturday's win over the Nationals. The Reds haven't decided what his role will be in 2022, after they moved him to the bullpen this summer, Charlie Goldsmith of The Cincinnati Enquirer reports.

5:36 PM - Tony Santillan (CIN) was called up by Cincinnati on Tuesday.

3:53 PM - Tony Santillan (CIN) struck out three while allowing one hit over 1.2 innings Monday against the Cubs, coming on in relief of starter Wade Miley.

2:15 PM - Tony Santillan (CIN) was recalled by the Reds on Thursday.

6:03 PM - Tony Santillan (CIN) was optioned to Triple-A Louisville on Wednesday.

10:32 AM - Tony Santillan (CIN) (0-1) pitched only three innings while getting the loss in Friday's defeat to the Padres, allowing three runs on four hits, including two homers. He walked one and struck out three. He was lifted for a pinch-hitter in the fourth inning with the Reds trying to tie the game back up with two outs.

1:30 PM - Tony Santillan (CIN) is scheduled to make his second start Friday agains the Padres in San Diego.

10:57 PM - Tony Santillan (CIN) didn't factor into the decision Sunday against the Rockies after giving up one run on five hits and four walks while fanning five across 4.2 innings.

9:46 AM - Tony Santillan (CIN) will start Sunday's game against the Rockies in Cincinnati.

3:02 PM - Tony Santillan (CIN) was recalled by the Reds on Saturday.

3:10 PM - Tony Santillan (CIN) will be called up to start Sunday against the Rockies for his major-league debut, Charlie Goldsmith of The Cincinnati Enquirer reports.

8:01 PM - Tony Santillan (CIN) is a potential candidate to get a spot start Friday for the Reds against the Cubs, with the team leading a pitcher to fill the gap until Wade Miley returns, Bobby Nightengale of The Cincinnati Enquirer reports.

4:54 PM - Tony Santillan (CIN) will be a part of the Reds' 60-man player pool this season.

11:50 PM - Tony Santillan (CIN) getting sent down in the first wave of spring training cuts, Santillan pitched in three games, giving up five runs on nine hits and a walk over four innings, good for an 11.25 ERA.

6:17 PM - Tony Santillan (CIN) was added to the Reds' 40-man roster Wednesday.

12:34 PM - Tony Santillan (CIN) will open the year at Double-A Chattanooga, Jonathan Mayo of MLB.com reports.

6:27 PM - Tony Santillan (CIN) was sent to minor-league camp Tuesday, Bobby Nightengale of The Cincinnati Enquirer reports.

12:49 PM - Tony Santillan (CIN) was invited to Cincinnati's major-league spring training camp Wednesday.

11:12 AM - Tony Santillan (CIN) has been dominant at Double-A Pensacola since his promotion, including a 5.2 inning scoreless outing Monday night where he struck out 11 batters, the Reds' official site reports.

12:03 PM - Tony Santillan (CIN) was promoted to Double-A Pensacola on Thursday, Doug Gray of RedsMinorLeagues.com reports.

8:46 AM - Tony Santillan (CIN) gave up one run on six hits and a walk and struck out six over 6.2 innings to pick up the win Sunday for High-A Daytona in the club's 5-1 victory over Dunedin.

7:12 AM - Tony Santillan (CIN) has thrown 11 consecutive scoreless innings for Low-A Dayton, including five shutout frames Friday against Fort Wayne, where he struck out eight.

10:04 AM - Tony Santillan (CIN) (shoulder) picked up the win in his return from the disabled list Friday, allowing three runs in 6.1 innings pitched while fanning seven and walking just one batter.

8:53 AM - Tony Santillan (CIN) was placed on the 7-day DL on Thursday at Low-A Dayton with shoulder stiffness.

7:00 AM - Tony Santillan (CIN) was promoted to Low-A Dayton earlier last week, and was named to the Pioneer League All-Star game, though he won't participate in that, Jamie Ramsey's MLB.com blog reports.