percent of me is sad that I'm retiring, but my knees are very, very happy." Broadcasting career KMOX and CBS (1984–1986) In January 1984, after retiring as a player, Dierdorf was hired as an afternoon talk show host by KMOX radio in St. Louis. In the fall of 1984, he also worked as a color analyst on radio broadcasts of Missouri Tigers football and St. Louis Cardinals football games. In late 1984, he also added St. Louis Blues hockey broadcasts to his repertoire. In the fall of 1985, Dierdorf was hired by CBS as part of its broadcast team for NFL games. He worked on CBS broadcasts of NFL games in 1985 and 1986. ABC (1987–1999) In April 1987, Dierdorf was hired by ABC to join Al Michaels and Frank Gifford on Monday Night Football broadcasts. He spent 12 seasons on Monday Night Football before resigning the post in early 1999. During his affiliation with ABC, Dierdorf also served as a blow-by-blow boxing commentator in 1989, beginning with Meldrick Taylor's first defense of his championship, served as a correspondent for the network's coverage of the 1988 Winter Olympics in Calgary, and called play-by-play of some College Football on ABC games in the early 1990s. CBS (1999–2013) In April 1999, Dierdorf signed with CBS and was paired with Verne Lundquist as the network's No. 2 NFL broadcasting team. After week 2 of the 2000 season, Lundquist was moved to CBS' lead college football team, and Dierdorf served as commentator for Dick Enberg from 2000 to 2005. Lundquist would partner up with Dierdorf in week 1 in 2003 and 2005. He also partnered up with Kevin Harlan in week 1 of 2001, Ian Eagle in week 1 of 2002, and Todd Blackledge in week 1 of 2004 while Enberg was covering the US Open tennis on CBS. During the 2006 NFL season, Dierdorf was paired with Greg Gumbel as CBS' No. 2 NFL pairing behind Jim Nantz and Phil Simms. He remained paired with Gumbel for eight seasons from 2006 to 2013. On November 20, 2013, Dierdorf announced that the 2013 NFL season would be his last as an analyst. "It has become a challenge for me to travel to a different NFL city every week, so it's time to step aside." Dierdorf's final broadcast for CBS was an AFC divisional playoff game on January 11, 2014, between the Indianapolis Colts and