August 14, 2009; San Francisco, CA, USA; Denver Broncos defensive coordinator Mike Nolan looks down the field during the second quarter against the San Francisco 49ers at Candlestick Park...

San Francisco 49ers head coach Mike Nolan on the sidelines in the first quarter of their NFL football game against the Philadelphia Eagles...

EAST RUTHERFORD, NJ - OCTOBER 19: Head coach Mike Nolan of the San Francisco 49ers looks on during the NFL game against the New York Giants...

...at 49ers football headquarters in Santa Clara, Calif., Tuesday, Oct. 21, 2008. Singletary takes over after Mike Nolan was fired on Monday, Oct. 20, 2008

19 October 2008: 49ers head coach Mike Nolan during an NFL football game between the San Francisco 49ers and the New York Giants at...

Oct. 12, 2008; San Francisco, CA, USA; San Francisco 49ers head coach Mike Nolan during the fourth quarter of the Philadelphia Eagles 40-26 victory over the 49ers at Monster...

Head coach Mike Nolan of the San Francisco 49ers looks on against the Detroit Lions at an NFL game on...

Mike Nolan

SAN FRANCISCO - DECEMBER 23: Head Coach Mike Nolan of the San Francisco 49ers addresses the team in the locker room at halftime during the...

December 30, 2007; Cleveland, OH, USA; San Francisco 49ers head coach Mike Nolan in the second half of the Cleveland Browns 20-7 win over the San Francisco 49ers...

Head Coach Mike Nolan of the San Francisco 49ers talks with Scot McCloughan, vice president of player personnel, at mini...

071117019456San Francisco 49ers coach Mike Nolan uses a belt in a light moment to poke fun at his father's disciplinary methods...

...Washington Redskins in this Dec. 1971 file photo, in San Francisco. Nolan, the former 49ers head coach and father of current 49ers coach Mike Nolan, died Sunday, Nov. 11, 2007, the 49ers said. He was...

...Washington Redskins in this Dec. 1971 file photo, in San Francisco. Nolan, the former 49ers head coach and father of current 49ers coach Mike Nolan, died Sunday, Nov. 11, 2007, the 49ers said. He was...

...Washington Redskins in this Dec. 1971 file photo, in San Francisco. Nolan, the former 49ers head coach and father of current 49ers coach Mike Nolan, died Sunday, Nov. 11, 2007, the 49ers said. He was...