Dan Dierdorf Daniel Lee Dierdorf ( born June 29 , 1949 ) is a former American football player and television sportscaster . He played 13 NFL seasons and has worked for ABC and CBS as a color analyst since retiring from football . Born in Canton , Ohio , Dierdorf played football at Glenwood High School in Canton ( now GlenOak High School ) , then the University of Michigan before being drafted by the St . Louis Cardinals in the 2nd round of the 1971 NFL Draft . College career . At Michigan , Dierdorf was a consensus All - American in 1970 and assisted the team to a 25 – 6 record in his 3 years as a starter . The Wolverines were Big Ten Champions in 1969 . Dierdorf made all - conference in 1969 and 1970 . He was chosen for the East - West Shrine Game and Hula Bowl and for the 1971 College All - Star Game . In 2000 , Dierdorf was enshrined in the College Football Hall of Fame . While in college , Dierdorf became a member of Kappa Sigma Fraternity . NFL career . Dierdorf began his career as a guard and left tackle before settling in as a starter at right tackle in 1974 . In 1982 he moved to center and was the starter in that season and became a back - up in his final year , 1983 . Dierdorf was named to the Pro Bowl 6 times from 1974 – 78 and 1980 . Dierdorf was named All - Pro for 4 consecutive seasons beginning in 1975 when the Pro Football Writers Association voted him All - Pro . From 1976 – 78 Dan was a consensus All - Pro and in 1980 the Newspaper Enterprise Association ( NEA ) named him All - Pro . In addition , Dan was a consensus 2nd team All - Pro in 1974 . He was named NFLPA NFC Offensive Lineman of the year by his peers in 1976 , ' 77 , and ' 78 . In 1996 he received the ultimate honor when he was enshrined in the Pro Football Hall of Fame . The 1975 Cardinals offensive line , consisting from right to left of Dierdorf , Conrad Dobler , Tom Banks , Bob Young , and Roger Finnie , allowed a total of only 8 sacks , a then - NFL record . Dierdorf did not give up a sack for the entire 1976 and 1977 seasons . His streak ended in the first game of the 1978 season when Chicago Bears left defensive end Tommy Hart nabbed 2 sacks against Dierdorf . Dan had not given up a sack since the 1975 NFC Divisional playoff game when Jack Youngblood sacked Jim Hart . Broadcasting career . After his retirement , Dierdorf made the transition to the broadcast booth , becoming one of the first former offensive linemen to become a broadcaster . He worked as a color analyst for Cardinals and Missouri Tigers games on KMOX radio in 1984 before moving to CBS , where he called play - by - play of NFL games in 1985 before returning to the analyst role in 1986 . In 1987 he moved to ABC , where he was added to the " Monday Night Football " team with Al Michaels and Frank Gifford . He was also named as ABC ' s 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 games in the early 1990s . Dierdorf stayed at ABC for twelve seasons before a shake up after the 1998 season . Dierdorf quickly moved to CBS , who had just gained rights to air AFC football matchups , and was placed on the network ' s number 2 team with play - by - play man Verne Lundquist , replacing Randy Cross who was moved to " The NFL Today " . After the 1999 season Lundquist was moved to CBS ' lead college football team , and Dierdorf served as commentator for Dick Enberg for the next six seasons . Since 2006 he has shared the booth with Greg Gumbel . Dierdorf was the 2008 recipient of the Pro Football Hall of Fame ' s Pete Rozelle Radio - Television Award . He received the Pete Rozelle Radio - Television Award on Friday , August 1 during the Enshrinees Dinner in Canton , at which the Pro Football Hall of Fame ' s Class of 2008 enshrinees – Fred Dean , Darrell Green , Art Monk , Emmitt Thomas , Andre Tippett and Gary Zimmerman – received their gold Hall of Fame jackets from each of their presenters . The Class of 2008 Enshrinement Ceremony took place the following day . 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 , " he said . Dierdorf ' s final broadcast came January 11 , 2014 in an AFC divisional playoff game between the Indianapolis Colts and New England Patriots at Gillette Stadium in Foxborough , Massachusetts . Dierdorf continues to live in St . Louis and has his own star on the St . Louis Walk of Fame . He was the co - proprietor , along with former Cardinals quarterback Jim Hart , of Dierdorf and Hart ' s , a St . Louis steakhouse which closed in 2013 . Dan Dierdorf also is one of the investors of KTRS radio in St . Louis .