Count Tony Romo in the camp of Broncos believers this season. Speaking on Mad Dog Sports Radio with Adam Schein on Thursday, the former Cowboys quarterback and current CBS NFL analyst talked up Denver as a possible darkhorse contender in the AFC. “I think the Denver Broncos have a chance to really shock some people,” Romo said. Related Articles 49ers’ defensive leaders gush over Broncos’ Vic Fangio: “He should have been a head coach a long time ago” Broncos offense “below average” in first practice against San Francisco As Drew Lock’s second-team snaps increase, Broncos backup QB spot remains “competition” Broncos safety Justin Simmons adds to camp interception total Broncos Insider: Newest offensive lineman not deterred by journeyman NFL path to Denver In Romo’s mind, the Broncos are one of three talented teams in the AFC West, with Kansas City and Los Angeles the other two, and the Raiders possibly dangerous as well. What does Romo like most about Denver?