Updated

The Rose Bowl will celebrate its 100th game on New Year's Day in 2014 as college football's oldest bowl.

To mark the occasion, the game trophy has been modified by Tiffany to add 24-karat yellow gold vermeil accents to the 21-inch tall design that includes a three-quarter size sterling silver football.

It was unveiled Tuesday at the iconic stadium, where the logo for the 2014 BCS national championship game was already on the field.

"We wanted the 100th game trophy to be extra special for the winner," said Scott Jenkins, president of the Tournament of Roses.

The stadium also will host the last national title game under the current BCS configuration on Jan. 6.

Big Ten Commissioner Jim Delany and Pac-12 counterpart Larry Scott stressed that both conference were unwilling to sign off on any changes that excluded the Rose Bowl in the new postseason system that begins next year.

"The Rose Bowl is the holy grail of college football," Scott said

The stadium is one of three sites announced so far, along with the Orange and Sugar bowls, for the six-bowl semifinal rotation in the new College Football Playoff that will replace the BCS.

The first semifinals will be played at the Rose and Sugar bowls in January 2015.

"In this new structure, (the Rose Bowl) will remain very relevant," Scott said. "It's going to be part of a system that the fans have asked for and wanted."

A new logo was unveiled for the 100th Rose Bowl game featuring the San Gabriel Mountains as a backdrop and a large floating rose.

Also part of the plans will be an All-Century Class, with players from each decade selected by the Football Writers Association of America to be announced in December, and a socal media campaign will be launched 100 days before the Jan. 1 game.

The Rose Parade, which runs down Colorado Boulevard the morning of the game, will mark its 125th edition next year, while the Wrigley Mansion, home to the Tournament of Roses, turns 100 years old.

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Online: www.tournamentofroses.com