4:47 PM - Riley O'Brien (STL) Cardinals recalled O'Brien from Triple-A Memphis on Tuesday, Katie Woo of Athletic reports.

4:36 PM - Riley O'Brien (STL) Cardinals activated O'Brien (forearm) from the 60-day injured list Sunday and optioned him to Triple-A Memphis.

1:21 PM - Riley O'Brien (STL) (forearm) could be activated from the 60-day injured list next week after making two more rehab appearances with Triple-A Memphis, John Denton of MLB.com reports.

5:19 PM - Riley O'Brien (STL) (forearm) will begin a rehab assignment with Triple-A Memphis on Friday, John Denton of MLB.com reports.

5:39 PM - Riley O'Brien (STL) is scheduled to throw live batting practice Saturday at Double-A Springfield and could start a rehab assignment next week if Saturday's session goes well, John Denton of MLB.com reports.

2:19 PM - Riley O'Brien (STL) manager Oliver Marmol said that O'Brien (forearm) will throw a live batting practice session at Double-A Springfield on Wednesday, John Denton of MLB.com reports.

4:30 PM - Riley O'Brien (STL) will throw a live batting practice session Saturday and will begin a rehab assignment at Double-A Springfield on Tuesday if the live BP session goes well, John Denton of MLB.com reports.

4:12 PM - Riley O'Brien (STL) (forearm) will throw a bullpen in the next day or two, Lynn Worthy of the St. Louis Post-Dispatch reports Tuesday.

12:36 PM - Riley O'Brien (STL) experienced renewed pain in his right forearm following his 20-pitch live batting practice session with Double-A Springfield on June 15 and underwent further testing and and consultation with Dr. Keith Meister, MLB.com reports.

1:19 PM - Riley O'Brien (STL) (forearm) will begin a rehab assignment Saturday at Double-A Springfield, John Denton of MLB.com reports.

4:53 PM - Riley O'Brien (STL) will throw a live BP session Tuesday at Double-A Springfield, Daniel Guerrero of the St. Louis Post-Dispatch reports.

4:38 PM - Riley O'Brien (STL) (forearm) is slated to throw another bullpen session Sunday, John Denton of MLB.com reports.

9:35 AM - Riley O'Brien (STL) (forearm) has been long-tossing as he continues a throwing progression, Daniel Guerrero of the St. Louis Post-Dispatch reports.

4:28 PM - Riley O'Brien (STL) (forearm) was moved to the 60-day injured list Friday, John Denton of MLB.com reports.

6:49 PM - Riley O'Brien (STL) (forearm) will begin a throwing program this week, Katie Woo of The Athletic reports.

7:32 PM - Riley O'Brien (STL) (forearm) underwent an MRI on his right flexor tendon Monday, John Denton of MLB.com reports.

3:17 PM - Riley O'Brien (STL) was placed on the 15-day injured list Sunday with a flexor strain in his right forearm.

4:00 PM - Riley O'Brien (STL) has allowed three hits and struck out two without walking a batter over three scoreless innings in Grapefruit League play.

10:22 AM - Riley O'Brien (STL) Cardinals acquired O'Brien from the Mariners for cash considerations and purchased his contract from Triple-A Memphis on Monday, Derrick Goold of the St. Louis Post-Dispatch reports.