1945 | Larry MacPhail, Dan Toppling, and Del Webb purchase the New York Yankees for $2.8 million from the family of Jacob Ruppert.

1974 | Ray Kroc purchases the San Diego Padres for $12 million.

1978 | The Texas Rangers trade right-hander Gaylord Perry to the San Diego Padres for left-hander Dave Tomlin and $125,000.

2005 | First baseman Carlos Delgado agrees to a four-year, $52 million contract to join the Florida Marlins.

2006 | First baseman Justin Morneau agrees to a six-year, $80 million contract extension with the Minnesota Twins.

2015 | Rob Manfred officially begins his term as commissioner, replacing Bud Selig.

2018 | The Florida Marlins trade outfielder Christian Yelich to the Milwaukee Brewers for infielder Isan Diaz, right-hander Jordan Yamamoto, and outfielders Lewis Brinson and Monte Harrison.

2022 | Designated hitter David Ortiz is elected to the Hall of Fame, receiving 77.9% of the vote.

1932 | Cubs owner William Wrigley dies at age 70.

1951 | Right fielder Mel Ott and infielder Jimmie Foxx are elected to the Hall of Fame, receiving 87.2% and 79.2% of the vote, respectively.

1995 | President Bill Clinton sends a message to MLB owners and the MLBPA to resume negotiations with the hope of ending the strike.

2014 | Right-hander Matt Garza agrees to a four-year, $50 million contract to join the Milwaukee Brewers.

2020 | Outfielder Nick Castellanos agrees to a four-year, $64 million contract to join the Cincinnati Reds.

2021 | Catcher J.T. Realmuto agrees to a five-year, $115.5 million contract to join the Philadelphia Phillies.

2023 | Dana Brown is named the general manager of the Houston Astros, replacing James Click.

1927 | Ty Cobb and Tris Speaker are cleared by Commissioner Kenesaw Mountain Landis of game-fixing charges when their accuser, Dutch Leonard, fails to appear at a scheduled hearing.

1943 | The Cincinnati Reds trade right-hander Paul Derringer to the Chicago Cubs for cash considerations.

1944 | The Boston Braves fire manager Casey Stengel.

1963 | Right-hander/outfielder John Clarkson, right fielder Elmer Flick, right fielder Sam Rice, and left-hander Eppa Rixey are elected to the Hall of Fame by the Veterans Committee. Rixey will die before the induction ceremonies, marking the first time a player dies between election and induction.

1982 | The Philadelphia Phillies trade second baseman Ryne Sandberg and infielder Larry Bowa to the Chicago Cubs for shortstop Ivan DeJesús.

1997 | The Boston Red Sox trade designated hitter Jose Canseco to the Oakland Athletics for right-hander John Wasdin.

2005 | The Boston Red Sox trade first baseman Doug Mientkiewicz to the New York Mets for first baseman Ian Bladergroen.

2020 | The Pittsburgh Pirates trade center fielder Starling Marte to the Arizona Diamondbacks for right-hander Brennan Milone, infielder Liover Peguero, and international bonus pool space.

1901 | The American League formally organizes as a major league.

1949 | Outfielder Monte Irvin and right-hander Ford Smith become the first Negro League players to sign with the New York Giants. Irvin will end up in the Hall of Fame, while Smith never reached the majors.

1953 | St. Louis Cardinals owner Fred Saigh is found guilty of income tax evasion and is sentenced to 15 months in jail.

1958 | Los Angeles Dodgers catcher Roy Campanella suffers a broken neck in a car accident, leaving him paralyzed.

1962 | Left-hander Edd Roush and infielder Bill McKechnie are elected to the Hall of Fame by the Veterans Committee.

1964 | Cincinnati Reds center fielder Vada Pinson is cleared of assault charges stemming from a September incident with local sportswriter Earl Lawson.

1968 | Outfielders Kiki Cuyler and Goose Goslin are elected to the Hall of Fame by the Veterans Committee.

1973 | Right-hander Mickey Welch, first baseman George Kelly, and umpire Billy Evans are elected to the Hall of Fame by the Veterans Committee.

1974 | Right fielder Sam Thompson, first baseman Jim Bottomley, and umpire Jocko Conlan are elected to the Hall of Fame by the Veterans Committee.

1980 | Hank Aaron refuses an award from Commissioner Bowie Kuhn honoring him for breaking the all-time home run record, citing the league’s poor treatment of black ballplayers.

1992 | First baseman Cecil Fielder and the Detroit Tigers agree to a one-year, $4.5 million contract to avoid arbitration, the largest single-season deal in league history.

2010 | Two years after playing his last game, outfielder Jim Edmonds agrees to a minor league contract with the Milwaukee Brewers.

2013 | The Dodgers announce the launch of SportsNet LA, their own regional cable network.

2016 | The Colorado Rockies trade outfielder Corey Dickerson and third baseman Kevin Padlo to the Tampa Bay Rays for left-hander Jake McGee and right-hander German Marquez.

1948 | Commissioner Happy Chandler fines the Yankees, Cubs, and Phillies $500 each for signing high school players.

1951 | The league signs a six-year, $6 million deal to broadcast the All-Star Game on television and radio. League owners are critical of the agreement, suggesting the figure isn’t large enough.

1961 | Outfielders Billy Hamilton and Max Carey are elected to the Hall of Fame by the Veterans Committee.

1963 | James M. Johnson, James H. Lemon, and George M. Bunker purchase 80 percent of the Washington Senators, buying out the original owners.

1967 | Front office executive Branch Rickey and outfielder Lloyd Waner are elected to the Hall of Fame by the Veterans Committee.

1969 | Washington Senators manager Jim Lemon is fired and will be replaced by Ted Williams.

1981 | American League owners approve the sale of two franchises. Jerry Reinsdorf buys the Chicago White Sox for $20 million, while George Argyros acquires an 80-percent stake in the Seattle Mariners for $10.4 million.

1982 | The Yankees name third baseman Graig Nettles team captain. He is the first to hold the role since Thurman Munson’s passing in 1979.

1988 | Outfielder Kirk Gibson agrees to a three-year, $4.5 million deal to join the Los Angeles Dodgers.

1989 | After nine years as an official statistic, GWRBI (game-winning run batted in) is dropped. First baseman Keith Hernandez will remain the all-time leader with 129.

2013 | A report from the Miami Herald names at least seven MLB players who have come up in an investigation into a Coral Gables, FL, clinic called Biogenesis Laboratories.

2018 | The Cleveland Indians announce plans to stop using the “Chief Wahoo” logo, which had been central to the team’s identity since 1947.

2020 | Dusty Baker is named the manager of the Houston Astros, replacing A.J. Hinch.

2024 | The Minnesota Twins trade infielder Jorge Polanco to the Seattle Mariners for outfielder Gabriel Gonzalez, right-hander Darren Bowen, right-hander Anthony DeSclafani, and right-hander Justin Topa.

1923 | The Boston Red Sox trade left-hander Herb Pennock to the New York Yankees for infielder Norm McMillan, right-hander George Murray, outfielder Camp Skinner, and $50,000.

1948 | Phillies general manager Herb Pennock dies from a heart attack at age 53.

1953 | Peter C. McGovern is named Little League Baseball’s first full-time president and the league’s offices are moved to Williamsport, Pennsylvania.

1959 | The Cincinnati Redlegs trade left-hander Harvey Haddix, catcher Smoky Burgess, and infielder Don Hoak to the Pittsburgh Pirates for third baseman Frank Thomas, infielder/outfielder Jim Pendleton, outfielder Johnny Powers, right-hander Whammy Douglas, and cash.

1978 | Right-hander Addie Joss and front office executive Larry MacPhail are elected to the Hall of Fame by the Veterans Committee.

1987 | The Chicago Cubs trade third baseman Ron Cey to the Oakland Athletics for infielder Luis Quiñones.

2008 | Catcher Mike Piazza agrees to a one-year, $2 million contract to join the San Diego Padres.

2017 | Commissioner Rob Manfred issues penalties tied to the St. Louis Cardinals’ illegal hacking of the Houston Astros’ scouting systems. The Cardinals are fined $2 million and will forfeit two picks in the upcoming draft. Chris Correa, who was responsible for the hack, was given a lifetime ban.

2025 | Right-hander Max Scherzer agrees to a one-year, $15.5 million contract to join the Toronto Blue Jays.

1898 | First baseman/manager Cap Anson is released, ending his 19-year playing career.

1952 | Outfielders Harry Heilmann and Paul Waner are elected to the Hall of Fame, receiving 86.8% and 83.3% of the vote, respectively.

1956 | Buck Weaver dies at the age of 65.

1959 | Joe Cronin is named president of the American League.

1961 | Houston voters approve a bond measure to finance the construction of the Astrodome.

1962 | Outfielder Willie Mays agrees to a one-year, $90,000 contract with the San Francisco Giants, making him the highest-paid player in the league.

1965 | Right-hander Pud Galvan is elected to the Hall of Fame by the Veterans Committee.

1965 | Masanori Murakami, the first Japanese player in the major leagues, signs with the Nankai Hawks to return to the NPB.

1971 | First baseman Jake Beckley, outfielder Joe Kelley, outfielder Harry Hooper, left-hander Rube Marquard, outfielder Chick Hafey, shortstop Dave Bancroft, and executive George Weiss are elected to the Hall of Fame by the Veterans Committee.

1977 | Infielder Joe Sewell, right-hander Amos Rusie, and catcher Al López are elected to the Hall of Fame by the Veterans Committee.

1996 | Ken Griffey Jr. agrees to a four-year, $34 million contract extension with the Seattle Mariners, making him the highest-paid player in league history.

2000 | Commissioner Bud Selig suspends right-hander John Rocker for the offensive remarks he made in a Sports Illustrated interview the month prior.

2002 | Phillies announcer Harry Kalas is chosen as the recipient of the Ford C. Frick Award.

2014 | Rangers infielder Michael Young announces his retirement.

2024 | David Rubenstein purchases the Baltimore Orioles for $1.175 billion.