Since 2006, the Broncos have had 12, 10, 9, 12, 9, 8, and 6, with no preview for the 2013 edition of the Broncos, but I bet it was somewhere between 6 and 8. At any rate, they’ll have 8 this year. Backups to look out for are: QB Cam Thomas or Chance Stewart, FB Jonathan Russell, TE Lucas...