May 31
American League – Suspended Baltimore infielder Billy Smith three games for using an illegal bat on May 26th.
Chicago (AL) – Activated Claudell Washington, outfielder, from the 30-day disabled list. Sent Harry Chappas, shortstop, to Iowa of the American Association.
May 29
San Diego (NL) – Activated Rick Sweet, catcher, from the 30-day disabled list. Sent Bob Davis, catcher, to Hawaii of the Pacific Coast League.
Chicago (AL) – Placed Bill Nahorodny, catcher, on the 21-day disabled list.
May 27
Seattle (AL) – Placed Tom Paciorek, outfielder, on the 30-day disabled list. Called up Steve Burke, pitcher, from San Jose of the Pacific Coast League.
Baltimore (AL) – Sent John Flinn, pitcher, to Rochester of the International League. Called up Earl Stephenson, pitcher, from Rochester.
May 25
Pittsburgh (NL) – Called up Dave Hamilton, pitcher, from Columbus of the International League.
Montreal (NL) – Sent Jerry Fry, catcher, to Denver of the American Association. Called up Scott Sanderson, pitcher, from Denver.
Oakland (AL) – Activated Glenn Burke, outfielder, from the 30-day disabled list. Sent Bruce Robinson, catcher, to Vancouver of the Pacific Coast League.
May 24
Texas (AL) – Activated Bert Campaneris, shortstop, from the 30-day disabled list. Sent Nelson Norman, shortstop, to Tucson of the Pacific Coast League.
Milwaukee (AL) – Placed Buck Martinez, catcher, on the 30-day disabled list. Called up Andy Etchebarren, catcher, from Spokane of the Pacific Coast League.
May 23
Pittsburgh (NL) – Placed Steve Brye, outfielder, on the 30-day disabled list.
May 22
American League – Removed San Diego pitcher Dan Spillner’s evil twin from Cleveland’s roster.
Cleveland (AL) – Called up Dennis Kinney, pitcher, from Portland of the Pacific Coast League.
May 20
Los Angeles (NL) – Placed Lee Lacy, outfielder, on the 21-day disabled list.
May 19
California (AL) – Placed Merv Rettenmund, outfielder, on the 75-day disabled list and Ken Landreaux, outfielder, on the 15-day disabled list. Called up Al Fitzmorris, pitcher, and Tony Solaita, first baseman/designated hitter, from Salt Lake City of the Pacific Coast League.
Minnesota (AL) – Placed Craig Kusick, outfielder, on the 30-day disabled list and Bombo Rivera, outfielder, on the 21-day disabled list. Called up John Sutton, pitcher, and Dave Edwards, outfielder, from Toledo of the International League.
Detroit (AL) – Activated Phil Mankowski, third baseman, from the 30-day disabled list. Sent Ed Glynn, pitcher, to Evansville of the American Association.
May 17
Atlanta (NL) – Placed Bob Horner, third baseman, on the 30-day disabled list. Called up Jerry Maddox, third baseman, from Richmond of the International League.
Texas (AL) – Sent Paul Mirabella, pitcher, to Tucson of the Pacific Coast League. Called up John Ellis, catcher, from Tucson.
May 16
Minnesota (AL) – Placed Rich Chiles, second baseman, on the 30-day disabled list, retroactive to May 14th. Called up Craig Kusick, outfielder/first baseman, from Toledo of the International League.
May 13
Chicago (NL) – Placed Jerry White, outfielder, on the 30-day disabled list, retroactive to May 11th. Called up Dave Geisel, pitcher, from Wichita of the American Association.
May 12
St. Louis (NL) – Placed Lou Brock, outfielder, on the 30-day disabled list. Called up Jim Lentine, outfielder, from Springfield of the American Association.
May 10
Chicago (AL) – Placed Greg Pryor, infielder, on the 30-day disabled list, retroactive to May 4th. Called up Jack Kucek, pitcher, from Iowa of the American Association.
St. Louis (NL) – Placed Mike Phillips, infielder, on the 30-day disabled list. Called up George Frazier, pitcher, from Springfield of the American Association.
May 9
Atlanta (NL) – Placed Biff Pocoroba, catcher, on the 30-day disabled list. Sent Tommy Boggs, pitcher, to Richmond of the International League. Called up Larry McWilliams, pitcher, and Bruce Benedict, catcher, from Richmond.
May 5
Houston (NL) – Called up Jesus Alou, outfielder, from Charleston of the International League.
May 4
Chicago (AL) – Called up Harry Chappas, shortstop, from Iowa of the American Association.
Milwaukee (AL) – Activated Jim Wohlford, outfielder, from the 15-day disabled list. Sent Dave May, outfielder, to Spokane of the Pacific Coast League.
Houston (NL) – Placed Cesar Cedeno, outfielder, on the 30-day disabled list.
May 1
Chicago (AL) – Placed Claudell Washington, outfielder, on the 30-day disabled list.