Page was selected in the first round of the 1967 draft out of Norte Dame by the Vikings (1967-1978). He played in 236 straight games at Defensive Tackle, including 4 Super Bowls (IV, VIII, IX, XI) and 9 Pro Bowls. He was named NFL MVP in 1971, NFC Defensive Player of the Year 4 times, and All NFL/NFC 9 times. His career stats include 23 opponent fumble recoveries, 28 blocked kicks, and 148.5 sacks.

Page served as a Minnesota Supreme Court Justice for 22 years and remains active in the Twin Cities community through the Page Education Foundation. He was inducted into the Pro Football Hall of Fame in 1988 and the Vikings Ring of Honor in 1998.