Broncos announce 15-man rookie free agent class

With the seven-round draft over, NFL teams can sign as many undrafted rookies as they want, subject to the offseason roster limit of 90. On Saturday night, the Broncos added 15 of them. They are: Duke defensive end Kenny Anunike; Colorado State linebacker Shaquil Barrett; Colorado State running back Kapri Bibbs; Fresno State receiver Isaiah…