5:09 PM - Ethan Roberts (CHC) Cubs optioned Roberts to Triple-A Iowa on Tuesday, Meghan Montemurro of the Chicago Tribune reports.

5:22 PM - Ethan Roberts (CHC) Cubs recalled Roberts from Triple-A Iowa on Friday, Taylor McGregor of Marquee Sports Network reports.

6:42 PM - Ethan Roberts (CHC) had his contract selected by the Cubs on Sunday, but he will remain with Triple-A Iowa, Tim Stebbins of MLB.com reports.

8:12 PM - Ethan Roberts (CHC) (elbow) was reinstated from Triple-A Iowa's 7-day injured list Friday and debuted for the club Sunday, striking out one over a perfect inning of relief.

11:08 AM - Ethan Roberts (CHC) (elbow) signed a minor-league contract with the Cubs on Saturday.

12:13 PM - Ethan Roberts (CHC) (elbow) is expected to have a normal throwing progression this offseason, Meghan Montemurro of the Chicago Tribune reports.

4:32 PM - Ethan Roberts (CHC) (elbow) is scheduled to throw a live batting practice session Tuesday, Maddie Lee of the Chicago Sun-Times reports.

5:08 PM - Ethan Roberts (CHC) (elbow) is scheduled to throw a bullpen session Tuesday, Maddie Lee of the Chicago Sun-Times reports.

1:38 PM - Ethan Roberts (CHC) (elbow) progressed to throwing off flat ground from 105 feet before the end of spring training, MLB.com reports.

6:44 PM - Ethan Roberts (CHC) (elbow) was placed on the 60-day injured list by the Cubs on Friday, Maddie Lee of the Chicago Sun-Times reports.

12:08 PM - Ethan Roberts (CHC) (elbow) has started a throwing program, Maddie Lee of the Chicago Sun-Times reports.

5:18 PM - Ethan Roberts (CHC) (shoulder) underwent successful Tommy John surgery Wednesday, Jordan Bastian of MLB.com reports.

10:39 AM - Ethan Roberts (CHC) (shoulder) will require season-ending Tommy John surgery after sustaining a right elbow injury during his rehab appearance Sunday at Triple-A Iowa, Meghan Montemurro of the Chicago Tribune reports.

4:30 PM - Ethan Roberts (CHC) exited four pitches into his rehab appearance Sunday with Triple-A Iowa after suffering an apparent aggravating of his right shoulder injury, Alex Cohen of Marquee Sports Network reports.

11:28 AM - Ethan Roberts (CHC) (shoulder) will report to Triple-A Iowa on Sunday to begin a rehab assignment, Tony Andracki of Marquee Sports Network reports.

10:49 AM - Ethan Roberts (CHC) (shoulder) was moved to the 60-day injured list Monday, Maddie Lee of the Chicago Sun-Times reports.

6:13 PM - Ethan Roberts (CHC) (shoulder) began a throwing program Saturday, Jordan Bastian of MLB.com reports.

6:24 PM - Ethan Roberts (CHC) was placed on the 10-day injured list with right shoulder inflammation Sunday, retroactive to April 30, Jordan Bastian of MLB.com reports.

11:48 PM - Ethan Roberts (CHC) allowed three runs on four hits in an inning of relief work during Thursday's loss to Atlanta. He struck out two.

10:41 PM - Ethan Roberts (CHC) struck out the side in a perfect inning of relief during Tuesday's loss to Atlanta.

6:57 PM - Ethan Roberts (CHC) will break camp as part of the big-league bullpen, Meghan Montemurro of the Chicago Tribune reports.

8:37 PM - Ethan Roberts (CHC) has looked sharp this spring, though he seems likely to start the season in the minors, Jordan Bastian of MLB.com reports.

5:05 PM - Ethan Roberts (CHC) was added to the Cubs' 40-man roster Friday, Tim Stebbins of NBC Sports Chicago reports.