Super Bowl XXI, American Football Wiki
Inside Giants' Super Bowl XXI prep: Billy Crystal, LT betting
The greatest New York Giants of all time
Fact or Fiction: Greatest all-time Giants Super Bowl performances
Phil Simms Leads Giants to Super Bowl XXI Victory vs. Broncos
Super Bowl XXI: Phil Simms sets records as Giants crush Broncos
Jan. 25, 1987: Giants beat Broncos for first Super Bowl victory
Super Bowl History: How Giants, Patriots have fared
Ranking the New York Giants' Five Super Bowl Appearances - Sports
Jan. 25, 1987: Giants beat Broncos for first Super Bowl victory