10:07 AM - Zack Kelly (BOS) Red Sox optioned Kelly to Triple-A Worcester on Saturday, Julian McWilliams of Boston Globe reports.

5:05 PM - Zack Kelly (BOS) will serve as the Red Sox's opening pitcher for Monday's game against the Blue Jays, Mac Cerullo of the Boston Herald reports.

10:02 AM - Zack Kelly (BOS) allowed two runs (one earned) on one hit while striking out three over two innings in Monday's 9-8 extra-innings loss to Colorado.

7:49 PM - Zack Kelly (BOS) will serve as the Red Sox opener for Sunday's game against Cincinnati, Christopher Smith of MassLive.com reports.

10:22 AM - Zack Kelly (BOS) struck out two over a scoreless inning and stranded three runners in Sunday's 9-3 win over the Yankees.

10:20 AM - Zack Kelly (BOS) struck out three over two hitless and scoreless innings in Friday's 8-1 loss to the Yankees.

7:05 AM - Zack Kelly (BOS) is scheduled to start Sunday's game against the White Sox in what's expected to be a bullpen day.

10:10 AM - Zack Kelly (BOS) Red Sox recalled Kelly from Triple-A Worcester on Wednesday.

3:36 PM - Zack Kelly (BOS) Red Sox called up Kelly from Triple-A Worcester on Tuesday, Chris Cotillo of Springfield Republican reports.

12:00 PM - Zack Kelly (BOS) Red Sox optioned Kelly to Triple-A Worcester on Sunday, Mac Cerullo of the Boston Herald reports.

2:50 PM - Zack Kelly (BOS) Red Sox recalled Kelly from Triple-A Worcester on Wednesday.

12:44 PM - Zack Kelly (BOS) (oblique) has made two relief appearances for Triple-A Worcester since the start of the International League season, tossing two scoreless innings while striking out one and allowing zero hits and two walks.

6:03 PM - Zack Kelly (BOS) Red Sox optioned Kelly (oblique) to Triple-A Worcester on Friday, Chris Cotillo of Springfield Republican reports.

11:36 AM - Zack Kelly (BOS) (oblique) will return to Grapefruit League play Friday with an appearance versus the Blue Jays, Mac Cerullo of the Boston Herald reports.

10:24 AM - Zack Kelly (BOS) (oblique) will play catch Monday, Pete Abraham of The Boston Globe reports.

11:31 AM - Zack Kelly (BOS) (oblique) said Thursday that he expects to resume throwing off a mound next week and be ready in time for Opening Day, Rob Bradford of WEEI.com reports.

9:49 AM - Zack Kelly (BOS) is currently sidelined by a left oblique injury, Ian Browne of MLB.com reports.

10:20 AM - Zack Kelly (BOS) Red Sox reinstated Kelly (elbow) from the 60-day injured list Sunday, Mac Cerullo of the Boston Herald reports.

12:51 PM - Zack Kelly (BOS) (elbow) is expected to be activated from the 60-day injured list Friday, Pete Abraham of The Boston Globe reports.

1:24 PM - Zack Kelly (BOS) will move his rehab assignment from High-A Salem to Double-A Portland on Wednesday, Gabrielle Starr of the Boston Herald reports.

11:11 AM - Zack Kelly (BOS) (elbow) allowed one walk and struck out two over one inning for Single-A Salem on Friday, MLB.com reports.

6:07 PM - Zack Kelly (BOS) (elbow) could face hitters next week, Chris Cotillo of The Springfield Republican reports.

5:15 PM - Zack Kelly (BOS) (elbow) said Thursday that he will be sidelined for four months, Gabrielle Starr of the Boston Herald reports.

4:08 PM - Zack Kelly (BOS) Sox manager Alex Cora said Wednesday that Kelly is scheduled to undergo surgery to reattach the ulnar nerve in his right elbow, Chris Cotillo of The Springfield Republican reports.

5:12 PM - Zack Kelly (BOS) (elbow) was transferred to the 60-day injured list Sunday, Chris Cotillo of The Springfield Republican reports.

3:02 PM - Zack Kelly (BOS) MRI taken Friday on Kelly's right elbow turned up negative for any structural damage, Jen McCaffrey of The Athletic reports.

10:47 AM - Zack Kelly (BOS) was placed on the 15-day injured list by the Red Sox on Thursday with right elbow inflammation.

10:10 AM - Zack Kelly (BOS) Sox manager Alex Cora informed Kelly on Sunday that he's secured a spot on the Opening Day roster, Pete Abraham of The Boston Globe reports.

12:21 PM - Zack Kelly (BOS) stuff has ticked up in recent seasons and is a contender to win a full-time role in Boston's bullpen this season, MLB Pipeline reports.