Sep 30, 2019

• The Arizona Diamondbacks announced Darnell Coles, Mike Fetters, Robby Hammock, Eric Hinske, Dave McKay, Jerry Narron, Tony Perezchica and Luis Urueta coaches will return for the 2020 season. Announced pitching coach Mike Butcher will not return for 2020 season.
• The Baltimore Orioles announced RHP Chandler Shepherd has cleared waivers and was assigned outright to Norfolk (IL).
• The Houston Astros promoted Pete Putila to assistant general manager, player development, Brandon Taubman to assistant general manager, player evaluation, Bill Firkus to senior director of baseball strategy, Armando Velasco to senior director of baseball operations and Charles Cook director of player evaluation.
• The Los Angeles Angels fired manager Brad Ausmus.
• The Seattle Mariners announced will not be renewing the contracts of third base and outfield coach Chris Prieto and bullpen coach Jim Brower. Reassigned pitching coach Paul Davis within the organization.

Sep 29, 2019

• The Chicago Cubs fired manager Joe Maddon.
• The Pittsburgh Pirates fired manager Clint Hurdle.

Sep 25, 2019

• The Los Angeles Angels claimed 2B Keon Wong off waivers from Tampa Bay.

Sep 23, 2019

• The Boston Red Sox promoted Mike Rikard to vice president/scouting, Paul Toboni to director/amateur scouting, Devin Pearson to assistant director/amateur scouting and Stephen Hargett to amateur crosschecker.
• The Kansas City Royals announced the retirement of manager Ned Yost, effective at the end of the season.

Sep 21, 2019

• The San Diego Padres fired manager Andy Green. Named Rod Barajas interim manager.

Sep 20, 2019

• The Miami Marlins signed manager Don Mattingly to a two-year contract extension and INF Miguel Rojas to a two-year contract.
• The Toronto Blue Jays claimed INF Breyvic Valera off waivers from the N.Y. Yankees.

Sep 18, 2019

• The Toronto Blue Jays claimed RHP Ryan Dull off waivers from the N.Y. Yankees.

Sep 17, 2019

• The Detroit Tigers claimed RHP Marcos Diplan off waivers from Minnesota.

Sep 16, 2019

• The Baltimore Orioles named Matt Blood director of player development; Kevin Buck director of baseball administration; and Mike Snyder director of pro scouting. Promoted Brad Ciolek to supervisor, domestic scouting operations; Di Zou to manager, baseball systems; and Hendrik Herz and Chad Tatum to scouting analysts. Claimed RHP Eric Hanhold off waivers from the New York Mets. Designated LHP Ty Blach for assignment.
• The Pittsburgh Pirates claimed INF Corban Joseph off waivers from San Francisco.

Sep 15, 2019

• The Boston Bruins signed D Charlie McAvoy to a three-year contract.
• The Detroit Red Wings released Gs Anthony Popovich and Sean Romeo, D Marc-Olivier Duquette and Owen Lalonde and Fs Mathieu Bizier, Thomas Casey, Cody Morgan, Owen Robinson and Chad Yetman from amateur tryouts.

Sep 14, 2019

• The Miami Marlins claimed LHP Josh Smith off waivers.

Sep 13, 2019

• The Pittsburgh Pirates claimed LHP Williams Jerez off waivers from San Francisco.

Sep 12, 2019

• The Kansas City Royals claimed LHP Randy Rosario off waivers from the Chicago Cubs.
• The Toronto Blue Jays released LHP Clayton Richard.

Sep 11, 2019

• The Chicago Cubs announced senior vice president of amateur scouting and player development Jason McLeod will become senior vice president of player personnel.

Sep 10, 2019

• The Oakland Athletics claimed C Beau Taylor off waivers from Toronto.

Sep 9, 2019

• The Boston Red Sox fired director of baseball operations Dave Dombrowski.

Sep 8, 2019

• The Atlanta Braves traded OF Ryan LaMarre to Minnesota for cash.
• The Los Angeles Dodgers announced the one-game suspension of Justin Turner for bumping umpire Rob Drake on Aug. 26 was rescinded.

Sep 7, 2019

• The San Francisco Giants claimed LHP Wandy Peralta off waivers from Cincinnati.
• The Toronto Blue Jays announced RHP Zack Godley cleared waivers and was assigned to Buffalo.

Sep 6, 2019

• The Chicago White Sox promoted Mike Shirley to director of amateur scouting.
• The San Francisco Giants claimed RHP Ricardo Pinto off waivers from Tampa Bay and optioned him to Sacramento (PCL).

Sep 3, 2019

• The Detroit Tigers claimed OF Troy Stokes Jr. off waivers from Milwaukee and optioned him to Toledo (IL). Released LHP Ryan Carpenter unconditionally.
• The Milwaukee Brewers released RHP Jeremy Jeffress.
• The New York Mets named Bryn Anderson professional scouting director and Jeff Lebow assistant professional scouting director.
• The Philadelphia Phillies released RHP Drew Anderson.
• The San Francisco Giants claimed INF Corban Joseph off waivers from Oakland.

Sep 2, 2019

• The New York Mets signed 2B Ruben Tejada to a minor league contract.
• The New York Yankees traded RHP J.P. Feyereisen to Milwaukee for INF Brenny Escanio and international signing bonus pool money.

Sep 1, 2019

• The Minnesota Twins announced Pensacola (SL) pitching coach Cibney Bello will join the major league staff.
• The New York Yankees signed LHP Tyler Lyons and selected him from Scranton-Wilkes Barre.
• The Toronto Blue Jays acquired RHPs Edisson Gonzalez and Curtis Taylor from Tampa Bay to complete an earlier trade.