Report: Broncos sign TE Joe Don Duncan By Dave Peters Mar 10, 2015 at 4:10 pm ET1 min read Tight end Joe Don Duncan signed with the Broncos, according to ESPN NFL Insider Adam Caplan. Duncan is a college free agent and 2015 will be his rookie year in the NFL. He is the only draft prospect ever out of Dixie State University. Pick Six Newsletter Get the day's big stories + fun stuff you love like mock drafts, picks and power rankings. I agree that CBS Sports can send me the "Pick Six Newsletter" newsletter. See All Newsletters Please check the opt-in box to acknowledge that you would like to subscribe. Thanks for signing up! Keep an eye on your inbox. Sorry! There was an error processing your subscription.