Broncos sign three and release three to finalize post-draft roster

Rookie minicamp isn't just for draft picks. It's for undrafted rookies to prove they can benefit the team during training camp, and it's also an opportunity for unsigned players to try out for the club. An NFL hopeful can usurp a signed player if they perform well, and that was the case in Denver over the weekend.

The Broncos completed their rookie minicamp Sunday, and the outcome of the practices includes six transactions. The Broncos signed three players and released three players Monday. The moves keep the Broncos' roster at the 90-man limit.

Waived/injured: John Youboty

After suffering an Achilles injury over minicamp, Youboty will be placed on Injured Reserve unless he is claimed off waivers by another team.

Released: DT Mister Cobble and P Steven Clark

Neither undrafted rookie lasted long in Denver. It is not confirmed whether these players actually participated in rookie minicamp.

Officially signed: WR Greg Hardin

Hardin was one of the Broncos' originally announced UDFAs. We assume this signing was just a formality after completion of his academic requirements.

Brought back: S Charles Mitchell

The Broncos waived Mitchell just last week, but brought him back after a successful tryout during minicamp.

Newly signed: LB Charles Vaughn

Vaughn is an interesting addition - he has apparently been making the rounds in other professional football leagues. Another local boy, he is CSU-Pueblo's all-time sacks leader (15.5), and participated in a tryout with the Broncos over the weekend.

Newly signed Broncos LB Chase Vaughn (CSU-Pueblo) is competing in his 5th pro football league (NFL, CFL, AFL, UFL, IFL).

— Patrick Smyth (@psmyth12) May 19, 2014

Have anything to share regarding Denver's new signees? Let us know in the comments!