- The Seattle Mariners placed designated hitter Corey Hart on the 15-day DL, retroactive to May 19, with a strained left hamstring. The team recalled Nick Franklin from Triple-A Tacoma in a corresponding move. (Via Mariners Twitter account)
- The Chicago White Sox placed right-hander Matt Lindstrom on the 15-day DL with a subluxed left ankle tendon and purchased the contract of right-hander Javy Guerra from Triple-A Charlotte, the team announced.
- The Texas Rangers transferred left-hander Martin Perez from the 15-day DL to the 60-day DL, according to Rangers Executive VP of Communications John Blake.
- The Colorado Rockies activated right fielder Michael Cuddyer from the 15-day DL and optioned Chris Martin to Triple-A Colorado Springs, the team announced.
- The Cleveland Indians recalled Trevor Bauer and Justin Sellers from Triple-A Columbus and optioned Jesus Aguilar, T.J. House and Jose Ramirez to Triple-A, according to a team announcement. Bauer allowed a pair of runs over six strong innings on Tuesday.
- The Los Angeles Angels activated third baseman David Freese from the 15-day DL and optioned Luis Jimenez to Triple-A Salt Lake, per a team announcement.
- The Texas Rangers optioned J.P. Arencibia to Triple-A Round Rock and purchased the contract of Chris Gimenez from Triple-A, according to Rangers Executive VP of Communications John Blake.
- The Indians activated designated hitter Jason Giambi from the 15-day DL, according to a team announcement.
- The Kansas City Royals optioned Johnny Giavotella to Triple-A Omaha and recalled Francisco Pena from Triple-A, per a team announcement.
- The Tampa Bay Rays activated center fielder Desmond Jennings from the bereavement list, as reported by the Tampa Bay Times' Joe Smith.
- The Boston Red Sox signed shortstop Stephen Drew to a one-year contract, according to FOX Sports' Ken Rosenthal.