The Dallas Cowboys have reached an agreement with quarterback Tony Romo on a six-year, $67.5 million contract extension, $30 million which is guaranteed, sources told ESPN's Ed Werder and's Matt Mosley. The deal is expected to be announced at an 11 a.m. ET press conference on Tuesday. Romo's deal surpasses the six-year, $65 million contract ($27 million guaranteed) that St. Louis Rams quarterback Marc Bulger signed at the start of training camp. Romo and Bulger have the same agents, Ken Kremer and Tom Condon.