Back in Time: March 20

Philadelphia's Wilt Chamberlain becomes the first center in NBA history to lead the league with assists, finishing the season with 702 for an average of 8.6 per game.

For the first time in NHL history, two brothers faced each other in goal. Montreal's Ken Dryden (pictured) beat Buffalos' Dave Dryden, 5-2.

Mike Tyson KOs Tony Tubbs in the second round to retain the undisputed world heavyweight title.

The Los Angeles Lakers retire Kareem Abdul-Jabbar's No. 33 jersey.

Kenny Bernstein becomes the first drag racer to break the 300 mph barrier. He averages 301.7 mph in a qualifying run at the National Hot Rod Association's Gator nationals.

At 20 years and 80 days, Cleveland's LeBron James becomes the youngest NBA player to score 50 points in a game (56). The Cavaliers lost the game to Toronto,105-98.

Pat Riley (1945) Bobby Orr (1945, pictured) Charlie Simmer (1954) Paul Annacone (1963) Mookie Blaylock (1967) Todd Burger (1970) Ron George (1970) Manny Alexander (1971) Jamal Crawford (1980) Marcus Vick (1984) Ronnie Brewer (1985)