April 11 - Boston's American League team plays its first game with the name Red Sox. They beat the Philadelphia Athletics, 8-4, at Columbia Park.
August 2 - Walter Johnson made his major league debut with the Washington Senators and lost 3-2 to the Detroit Tigers. The first hit he yielded was a bunt single by Ty Cobb.
August 11 - In the second game of a doubleheader, shortened by agreement, Ed Karger of the St. Louis Cardinals pitched a seven-inning perfect game, beating the Boston Braves 4-0.
March 28 - Chick Stahl, 34, outfielder for Boston teams in the NL and AL, and manager of the Red Sox since August, who batted .305 lifetime; had three triples in 1903 World Series, led AL in triples in 1904
June 20 - Ezra Sutton, 56, third baseman for Boston who led NL in hits in 1884, was fifth player to collect 1000 hits; batted .300 three times in National Association and four times in NL
September 23 - Charlie Buffinton, 46, pitcher for Boston and Philadelphia teams who won 233 games, including 48 for the 1884 Boston Beaneaters
