- The Texas Rangers placed left-handed starter Martin Perez on the 15-day DL, retroactive to May 11, with left elbow inflammation, according to Rangers VP of Communications John Blake. The team also designated right-hander Justin Germano for assignment, recalled right-hander Nick Tepesch from Triple-A Round Rock and purchased the contract of right-hander Scott Baker from Triple-A.
- The Rangers placed left-hander Matt Harrison on the 15-day DL with lower back inflammation and recalled right-hander Miles Mikolas from Triple-A Round Rock, the team announced.
The Chicago Cubs placed left-hander Zac Rosscup on the 15-day DL, retroactive to May 10, with left shoulder inflammation, according to a team announcement. The team activated right-hander Jose Veras from the 15-day DL to fill Rosscup's spot.
The Los Angeles Dodgers activated catcher A.J. Ellis from the 15-day DL and optioned catcher Miguel Olivo to Triple-A Albuquerque, the team announced. Ellis went 0-for-4 with a strikeout in his first game back on Wednesday.
- The New York Mets placed right-hander Dillon Gee on the 15-day DL, retroactive to May 11, with a strained right lat, according to a team announcement. The team purchased the contract of right-hander Rafael Montero from Triple-A Las Vegas to replace Gee on the roster.
- The Houston Astros placed right-hander Anthony Bass on the 15-day DL, retroactive to May 11, with a right intercostal strain, and recalled right-hander Josh Fields from Triple-A Oklahoma City, the team announced.
- The Baltimore Orioles recalled right-hander Kevin Gausman from Triple-A Norfolk and optioned right-hander Preston Guilmet to Triple-A, per a team announcement. Gausman allowed five runs in four innings during his season debut on Wednesday.
- The St. Louis Cardinals recalled second baseman Kolten Wong from Triple-A Memphis and optioned shortstop Greg Garcia to Triple-A, the team announced, though Wong was unavailable for the game Wednesday due to a stomach illness.
- The Philadelphia Phillies outrighted infielder Jayson Nix to Triple-A LeHigh Valley, according to a team announcement, though he elected free agency instead of accepting the demotion.
- The San Diego Padres activated right-hander Dale Thayer from the paternity list and optioned right-hander Kevin Quackenbush to Triple-A El Paso, according to a team announcement.
- The Miami Marlins designated right-hander Henry Rodriguez for assignment and optioned left-hander Dan Jennings to Triple-A New Orleans, according to the MLB.com transaction page.
- The Chicago White Sox activated second baseman Jeff Keppinger from the 15-day DL and designated him for assignment, the team announced.
- The Toronto Blue Jays made a pair of corresponding moves on Wednesday, placing catcher Dioner Navarro on the bereavement list and optioning right-hander Chad Jenkins to Triple-A Buffalo. The team recalled catcher Erik Kratz and right Neil Wagner, both from Triple-A, to fill the vacant roster spots, per a team announcement.
- The Marlins purchased the contract of Anthony DeSclafani from Double-A Jacksonville, according to a team announcement. The right-hander pitched six strong innings in his major league debut, allowing a pair of runs while also grabbing the victory.
- The Dodgers are hoping to extend shortstop Hanley Ramirez's contract, as our own Tyler Drenon wrote:
Dodgers general manager Ned Colletti hopes to sign shortstop Hanley Ramirez to a contract extension before the 30-year-old hits free agency after the season. Colletti "made it a point to share that sentiment" with Ramirez' agent, Adam Katz, according to the LA Times' Dylan Hernandez.
- Free agent right-handed reliever Todd Coffey threw in a showcase for scouts on Wednesday, as Chris Cotillo reported:
- The Minnesota Twins signed free agent left-hander Randy Wolf and optioned left fielder Oswaldo Arcia to Triple-A Rochester to free up a roster spot.
- The Mets released right-hander reliever Kyle Farnsworth, according to CBS Sports' Jon Heyman.