3:09 PM - Nick Robertson (Hou) was designated for assignment by the Astros on Friday, Matt Kawahara of the Houston Chronicle reports.

3:26 PM - Nick Robertson (Hou) Astros acquired Robertson from the Blue Jays on Tuesday in exchange for Edinson Batista, Chandler Rome of Athletic reports.

11:42 AM - Nick Robertson (Tor) Blue Jays designated Robertson for assignment Thursday, Keegan Matheson of MLB.com reports.

4:54 PM - Nick Robertson (Tor) Blue Jays optioned Robertson to Triple-A Buffalo on Tuesday, Keegan Matheson of MLB.com reports.

2:00 PM - Nick Robertson (Tor) Blue Jays recalled Robertson from Triple-A Buffalo on Saturday.

5:07 PM - Nick Robertson (Tor) Blue Jays claimed Robertson off waivers from the Angels on Thursday.

3:13 PM - Nick Robertson (LAA) Angels designated Robertson for assignment Sunday.

2:34 PM - Nick Robertson (LAA) Angels claimed Robertson off waivers Tuesday from St. Louis.

4:46 PM - Nick Robertson (StL) Cardinals designated Robertson for assignment Sunday.

3:44 PM - Nick Robertson (StL) Cardinals activated Robertson (elbow) from the 15-day injured list and optioned him to Triple-A Memphis on Monday.

9:35 AM - Nick Robertson (StL) (elbow) allowed two runs on two hits and two walks over one inning in his first rehab appearance with Triple-A Memphis on Tuesday.

1:21 PM - Nick Robertson (StL) (elbow) is scheduled to throw live batting practice Friday at Double-A Springfield, John Denton of MLB.com reports.

7:16 PM - Nick Robertson (StL) (elbow) is scheduled to throw a bullpen session Saturday, Lynn Worthy of the St. Louis Post-Dispatch reports.

3:11 PM - Nick Robertson (StL) Cardinals placed Robertson on the 15-day injured list Sunday, retroactive to May 23, due to right elbow inflammation, Jeff Jones of the Belleville News-Democrat reports.

11:09 AM - Nick Robertson (StL) Cardinals recalled Robertson from Triple-A Memphis on Sunday.

9:22 AM - Nick Robertson (StL) Cardinals optioned Robertson to Triple-A Memphis on Saturday.

6:09 PM - Nick Robertson (StL) Red Sox traded Robertson and Victor Santos (undisclosed) to the Cardinals on Friday in exchange for Tyler O'Neill (foot), Alex Speier of Boston Globe reports.

3:22 PM - Nick Robertson (Bos) was recalled from Triple-A Worcester on Thursday, Pete Abraham of The Boston Globe reports.

10:23 AM - Nick Robertson (Bos) Red Sox optioned Robertson to Triple-A Worcester on Sunday, Mac Cerullo of the Boston Herald reports.

5:20 PM - Nick Robertson (Bos) will serve as Boston's opening pitcher in the second game of Thursday's doubleheader against the Yankees, Gabrielle Starr of the Boston Herald reports.

11:09 AM - Nick Robertson (Bos) recalled Robertson from Triple-A Worcester on Sunday, Jen McCaffrey of The Athletic reports.

11:16 AM - Nick Robertson (Bos) was optioned to Triple-A Worcester on Wednesday, Christopher Smith of The Springfield Republican reports.

10:09 AM - Nick Robertson (Bos) was recalled from Triple-A Worcester on Sunday, Chris Cotillo of The Springfield Republican reports.

6:46 PM - Nick Robertson (Bos) optioned Robertson to Triple-A Worcester on Tuesday, Chad Jennings of The Athletic reports.

5:32 PM - Nick Robertson (Bos) acquired Robertson and Justin Hagenman from the Dodgers in exchange for Enrique Hernandez, Jeff Passan of ESPN.com reports.

11:37 AM - Nick Robertson (LAD) Dodgers optioned Robertson from Triple-A Oklahoma City on Wednesday, David Vassegh of AM 570 LA Sports reports.

7:32 PM - Nick Robertson (LAD) Dodgers recalled Robertson from Triple-A Oklahoma City on Thursday, Bill Plunkett of Orange County Register reports.

7:50 PM - Nick Robertson (LAD) was optioned to Triple-A Oklahoma City by the Dodgers on Friday, Mike DiGiovanna of the Los Angeles Times reports.

11:49 AM - Nick Robertson (LAD) struck out three batters in two perfect innings against the Reds on Wednesday.

3:51 PM - Nick Robertson (LAD) Dodgers selected Robertson's contract from Triple-A Oklahoma City on Tuesday, Fabian Ardaya of Athletic reports.