Canty attended Kansas State University, where he played for the Kansas State Wildcats football team from 1994 to 1996. He was recognized as a consensus first-team All-American as a sophomore in 1995 and junior in 1996 and won the Jack Tatum Award as a junior. He decided to forgo his final season of college eligibility and entered the NFL draft.[4]
The New England Patriots selected Canty with the twenty-ninth overall pick in the first round of the 1997 NFL draft.[6] Over four NFL seasons, he played for the Patriots as well as the New Orleans Saints and Seattle Seahawks.[2] In 58 career games for those three NFL teams, he had four interceptions and 126 tackles.[7]