- 1880 - Yale University chooses not to join the American Collegiate Baseball Association because of professional players on other teams.
- 1882 - Providence Grays players and their opponents will be expected to parade down the streets of Providence in full uniform, accompanied by a brass band, on game days in order to encourage attendance.
- 1889 :
- ---The Tourists play their final game in Florence .
- ---The National League Committee on Rules recommends that Umpires be given authority to fine unruly players $10 for a first offense.
- 1925 - John McGraw arrives in Florida and is installed as president of a real estate development near Bradenton called Pennant Park. With streets named for early New York Giants heroes, and lots offered for $2,500 to $5,000, McGraw hires a fleet of salesmen and heads north. New York newspapers run a series of full-page ads featuring a picture of John McGraw with the bold caption "You've followed me in baseball, now follow me in real estate." A year later, the boom will go bust, washed away by two hurricanes. McGraw will incur a loss of $100,000 after paying off close friends, players, and other investors, and will be hounded by creditors.
- 1957 - The U.S. Supreme Court decides 6-3 that baseball is the only professional sport exempt from Antitrust Laws . The issue arises when pro football seeks similar protection from the laws.
- 1969 - A Pension Plan for major league baseball is agreed on, with players to receive $5.45M per year. They also get a percentage of Television revenues, a reduction in the years necessary to qualify for a pension from five to four (retroactive to 1959), and lowered minimum age for drawing a pension from 50 to 45.
- 1973 - Players and owners come to terms on a three-year collective bargaining agreement. The new deal allows teams to open up Spring Training on March 1. Among the provisions of the agreement are a $15,000 minimum salary, salary arbitration, and the '10 And Five' Trade Rule , which permits a player with 10 years in the major leagues, the last five of which are with his current team, to veto any trade involving him.
- 1981 - The Executive Board of the Players' Association votes unanimously to strike on May 29th if the issue of free-agent compensation remains unresolved. That deadline will be extended briefly, however, when the Players' Association's unfair labor practices complaint is heard by the National Labor Relations Board.
- Frank Robinson is hired by major league baseball to handle on-field disciplinary matters. Previously, such matters were handled by the individual league offices.
- 2005 - Kerry Konrad, a New York Yankees fan whose $2,325 bid won an ''eBay '' auction giving him the one-day naming rights to the Fleet Center Arena in Boston , wanted to call it the " Derek Jeter Center," after the Yankees Shortstop and team captain. But instead, Manhattan lawyer Kerry Konrad agreed to call it the "Jimmy Fund Center," after a Boston friend and Red Sox fan donated an additional $6,275 for the children charitable effort, bringing the total amount to $8,600, symbolizing the 86 years between Red Sox World Championships .
- 1875 - Johnny Kling , catcher (d. 1947 )
- 1919 - Monte Irvin , Hall of Fame outfielder
- 1921 - Andy Pafko , All-Star outfielder
- 1939 - Denny Lemaster , All-Star pitcher
- 1940 - Danny Cater , infielder/outfielder
- 1940 - Ron Santo , All-Star infielder
- 1944 - Stump Merrill , manager
- 1951 - César Cedeño , All-Star outfielder
- 1954 - Bob Brenly , All-Star catcher and manager
- 1956 - Ed Lynch , pitcher
- 1959 - Ken Dayley , pitcher
- 1961 - Dana Kiecker , pitcher
- 1963 - Paul O'Neill , All-Star outfielder
- 1964 - Rich Rowland , catcher
- 1974 - Shannon Stewart , outfielder
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