Four Broncos starters including Dumervil and Bailey need MRIs

The Raiders physically beat up the Broncos on Monday night, a problem that could last well into this week for Denver. Four key Broncos starters need MRIs Tuesday according to Lindsay Jones of the Denver Post.  Defensive end Elvis Dumervil (shoulder), cornerback Champ Bailey (hamstring), Brandon Lloyd (groin), and Knowshon Moreno (hamstring) all suffered injuries.…