The Broncos signed tight end Joe Don Duncan, who went undrafted out of Dixie State last year. Duncan's 35 bench reps were the most by any non-lineman at the 2014 combine.
Here are pre-draft scouting reports on Duncan from NFL and CBS. Also, where else would a guy named Joe Don attend school than at a place called Dixie State? Also also, would you ever guess that Dixie State is located in Utah? Me neither.