The largest crowd ever to watch the Broncos practice didn't enjoy what they saw on the field. Kyle Orton, acquired in the Jay Cutler trade with Chicago, was booed during his unofficial debut at Invesco Field on Thursday night when he threw two interceptions in a scrimmage. "Fans can cheer. They can boo," Orton told the Associated Press. "We've got good fans, and they're passionate about their football, that's for sure."