Left-handed reliever Andrew Miller joined the Baltimore Orioles before Friday's game against Seattle, a day after being acquired in a trade deadline deal with Boston.
The Miami Marlins placed pitcher Henderson Alvarez on the 15-day disabled list Friday with right shoulder inflammation.
The Philadelphia Phillies placed left-hander Cliff Lee on the 15-day disabled list with an elbow strain Friday and recalled left-hander Cesar Jimenez from Triple-A Lehigh Valley.
One of the first items of business for Andrew Miller when he joined the Baltimore Orioles on Friday was to shave his beard.
The Cleveland Indians have designated pitcher Zach McAllister for the purposes of optioning him to Triple-A Columbus and recalled outfielder Tyler Holt.
Scooter Gennett has been scratched from the Milwaukee Brewers lineup with a finger injury on his left hand.
The Washington Nationals activated infielder Asdrubal Cabrera on Friday and optioned right-handed reliever Aaron Barrett to Triple-A Syracuse.
The St. Louis Cardinals have added newly acquired pitchers John Lackey and Justin Masterson to the active roster.
The New York Yankees designated veteran second baseman Brian Roberts for assignment on Friday.
Major League Baseball promised to review Thursday's game-deciding overturned out call at the plate that contributed to the Marlins' loss to the Reds. Here is the say-nothing statement it released Friday regarded how the replay crew in New York interpreted Rule 7.13, which all but bans collisions at the plate and requires catchers to give baserunners a lane to slide:
The Texas Rangers purchased right-hander Phil Klein's contract from Triple-A Round Rock on Friday and designated left-hander Ryan Feierabend for assignment.
The Texas Rangers purchased the contract of pitcher Phil Klein from Triple-A Round Rock on Friday.
The Cincinnati Reds activated right fielder Jay Bruce off the bereavement list Friday.
The San Francisco Giants designated second baseman Dan Uggla for assignment on Friday.
The Oakland Athletics released former closer Jim Johnson on Friday.
Major League Baseball said the overturned decision on a controversial play at home plate in Thursday's game between the Reds and Marlins was correct.
Twelve trades were completed on Thursday ahead of the non-waiver deadline and the majority didn't just involve spare parts getting moved around to plug holes.
"Touch 'em all, Joe! You'll never hit a bigger home run in your life."
The Houston Astros called up right-handed pitcher Mike Foltynewicz from Triple-A Oklahoma City on Friday.
Now that the trading deadline has come and gone, status quo will have to be good enough for the Pittsburgh Pirates.
Adam Wainwright is still the ace of the St. Louis Cardinals with John Lackey now in the fold.
The Washington Nationals hope to unveil their newest acquisition when they resume a four-game series versus the Philadelphia Phillies Friday night.
The Toronto Blue Jays go after a seventh straight win on Friday when they continue a four-game series with the Houston Astros at Minute Maid Park.
It's not easy being Dan Haren in Los Angeles' star- studded rotation, but the Dodgers are sticking with the right-hander for now.
The Atlanta Braves eye a rebound effort this weekend against the San Diego Padres, a process they aim to get started on Friday night in the opener of a three-game series.
If the Oakland Athletics weren't already one of the favorites to win a World Series title they certainly are now after Thursday's acquisition of left-hander Jon Lester.