FILE - In this Jan. 22, 2012, file photo, San Francisco 49ers head coach Jim Harbaugh blows his whistle as his players warms up before the NFC Championship NFL football game against the New York Giants in San Francisco. Harbaugh was selected as The Associated Press' NFL Coach of the Year Award on Saturday, Feb. 4, 2012.

San Francisco 49ers' Alex Smith accepts the trophy for head coach Jim Harbaugh who won the AP Coach Rookie of the Year during the inaugural NFL Honors show Saturday, Feb. 4, 2012, in Indianapolis.The New York Giants will face the New England Patriots in the NFL football's Super Bowl XLVI in Indianapolis on Feb. 5.

San Francisco 49ers head coach Jim Harbaugh smiles during a news conference at the 49ers NFL football headquarters in Santa Clara, Calif., Monday, Jan. 23, 2012. The 49ers lost to the New York Giants in the NFC championship game Sunday.

Electrical workers dig at the site of the proposed San Francisco 49ers NFL football stadium in Santa Clara, Calif., Friday, Feb. 3, 2012. The 49ers hope to move their stadium from San Francisco to Santa Clara, Calif.

Electrical workers dig at the site of the proposed San Francisco 49ers NFL football stadium in Santa Clara, Calif., Friday, Feb. 3, 2012. The 49ers hope to move their stadium from San Francisco to Santa Clara, Calif.

SAN FRANCISCO, CA - JANUARY 22: (FILE PHOTO) Super Bowl XLVI will take place on Sunday, February 5, 2012, at Lucas Oil Stadium in Indianapolis, Indiana. The game will decide the champions of the National Football League for the 2011 season. AFC champions New England Patriots will face off with NFC champions the New York Giants. Kelly Clarkson will sing the National anthem while Madonna will perform during the Halftime show. The game is to be broadcast on NBC in America and in many other countries including the UK on BBC and Sky Sports. Please refer to the following profiles on Getty Images Archival for further imagery http://www.gettyimages.co.uk/EditorialImages/Archival?parentEventId=136780115&esource=maplinARC_uki_jan12 Eli Manning #10 of the New York Giants celebrates in the locker room with the George Halas Trophy NFC Championship trophy after the GIants won 20-17 in overtime against the San Francisco 49ers during the NFC Championship Game at Candlestick Park on January 22, 2012 in San Francisco, California. (Photo by Ezra Shaw/Getty Images)