Back in Time: March 20

Back in Time: March 20

Wilt Chamberlain

John G. Zimmerman/SI

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.

Ken Dryden

Tony Triolo/SI

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

Manny Millan/SI

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

Kareem Abdul-Jabbar

Manny Millan/SI

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

Kenny Bernstein

AP

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.

LeBron James

Manny Millan/SI

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.

Born on this Day

Tony Triolo/SI

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