THIS DAY IN SPORTS HISTORY: 7/18

1921 – Babe Ruth hits career home run #139, becoming the all-time leader in MLB history, passing Roger Connor for the career lead.

1927 – Ty Cobb picks up career hit #4,000.

1951 – Jersey Joe Walcott, at age 37, becomes the oldest fighter to win the world heavyweight title after knocking out Ezzard Charles.

1960 – Major League Baseball adds National League franchises in both Houston and New York.

1962 – Bob Allison and Harmon Killebrew of the Minnesota Twins each hit a grand slam in the first inning of a game.

1970 – Willie Mays becomes the 10^th player in MLB history to collect 3,000 career hits.

1975 – The trial of Dave Forbes, the first pro athlete to go on trial for a crime committed during a game, ends in a hung jury. Forbes, a player for the Boston Bruins, was indicted on excessive force charges for his actions against Henry Boucha of the Minnesota North Stars.

1987 – Don Mattingly ties the MLB record by homering in eight straight games.

1999 – Yankees pitcher David Cone throws the 14^th perfect game in modern MLB history, beating the Expos 6-0.