just to add a little...
He attended Bates College in Lewiston, Maine where he played football and baseball and was a member of the class of 1970. He was a history major and wrote sports columns for the school newspaper, The Bates Student.
Gumbel began his television career in October 1972, when he was named a sportscaster for KNBC-TV out of Los Angeles
He first worked for NBC Sports in the fall of 1975 as co-host of its National Football League pre-game show GrandStand with Jack Buck.
One of Bryant Gumbel's more memorable moments during his stint at NBC Sports occurred in 1982, when he was on site for the now legendary "Epic in Miami" NFL playoff game between the San Diego Chargers and Miami Dolphins. When the game was said and done, Gumbel told the viewing audience "If you didn't like this football game then you didn't like football!"
[here is the reason you get the goofs]
In April 2006, The NFL Network announced that Gumbel along with Cris Collinsworth would call its new package of NFL games. This is despite the fact that Gumbel unlike his brother Greg, has never called play-by-play for live sporting events before in his career.[3] Even before he called his first game for the network his status was brought into question after Gumbel stirred up controversy in his closing remarks on his HBO program on August 15 2006, in which he criticized NFL Player's Association head Gene Upshaw and outgoing NFL Commissioner Paul Tagliabue. Gumbel would later reconcile with the NFL and will retain his play-by-play job with the NFL Network.[4]
could simply be a case of a bad hire...happens in business everyday..time will tell.