The Baltimore Orioles acquired outfielder Alejandro De Aza from the Chicago White Sox on Saturday for two minor-league pitchers.
The Boston Red Sox activated shortstop Xander Bogaerts from the seven-day concussion disabled list on Saturday.
The Texas Rangers recalled pitcher Robbie Ross Jr. from Triple-A Round Rock to start Saturday's contest against the Houston Astros.
The Chicago Cubs activated pitcher Felix Doubront off the 15-day disabled list Saturday.
Baltimore Orioles first baseman Steve Pearce left Friday's night's game against Minnesota with a right abdominal strain.
A Seattle Mariners official said Friday that first baseman Jesus Montero and a team scout exercised "bad judgment at nearly every stage" during a confrontation at a minor-league game.
Yankees right-hander Masahiro Tanaka's hopes of returning to pitch again this season hit a snag Friday when the team announced Tanaka is heading back to New York with what was termed "general soreness" in his pitching arm.
The Pittsburgh Pirates announced on Friday that starter Gerrit Cole was optioned to Single-A Bristol while infielder/outfielder Andrew Lambo was recalled from Triple-A Indianapolis.
Seattle, WA (Sports Network) - The Seattle Mariners have recalled outfielder James Jones from Triple-A Tacoma on Friday.
The Kansas City Royals began to steel themselves for the AL Central pennant race Friday, designating journeyman hurler Bruce Chen for assignment.