The Denver Broncos on Monday signed three players — wide receiver Greg Hardin, safety Charles Mitchell and linebacker Chase Vaughn — to bring their roster to the offseason limit of 90, the NFL team announced.

The Broncos also waived punter Steven Clark and defensive tackle Mister Cobble in addition to designating defensive end John Youboty (Achilles) as waived/injured.

A participant in Denver's rookie minicamp as a tryout player, Vaughn attended Colorado State-Pueblo, where he was the school's all-time sacks leader (15.5).

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