Trevathan carted off during Broncos practice

The Denver defense keeps losing players. Jay Glazer of FOX Sports reports that Broncos linebacker Danny Trevathan was carted off during practice.  Trevathan has a knee injury. The 2012 sixth-round pick has become a starter in his second NFL season. The Broncos already are missing defensive end Elvis Dumervil, linebacker Von Miller, and cornerback Champ…