He was the sports director for
WBRE-TV until 2006. He made his Olympic debut on
NBC Sports's coverage of the
2012 London Olympics, calling wrestling, shooting, and archery. For CBS Sports Network, he served as a play-by-play, sideline reporter, and host for the network's coverage of college football, college basketball, high school basketball, college wrestling, college baseball, college field hockey, college rugby, college water polo, college swimming, gymnastics, lacrosse, volleyball, and soccer. He is also a commentator for the NBA D-League games on the
CBS Sports Network. In April 2012 Knapp called the
Chesapeake Bayhawks-
Long Island Lizards game. Knapp was hired by
NBC Sports to work as a curling announcer during the
2014 Winter Olympics. He has continued to provide curling commentary on
Curling Night in America, a NBCSN program that broadcasts a made-for-television curling competition. Knapp was also the play-by-play voice for the 2014
NAIA Division I Women's Basketball Championship Game for
ESPN3. In 2021, Knapp handled his fifth assignment for NBC Olympics for the
2020 Tokyo Olympics. Knapp, on his eight Olympics assignment, called for curling for the fourth time in the
2026 Winter Olympics. ==Personal life==