The Broncos are on the search for late-round gems. Day 2 of the NFL draft concluded Friday with Denver selecting Texas A&M defensive tackle Tyler Onyedim at No. 66 overall (third round). Day 3 continues Saturday morning with the Broncos holding seven picks: fourth (108), fourth (111), fifth (170), sixth (182), seventh (246), seventh (256) and seventh (257). “We like where we’re picking in Day 3,” Broncos general manager George Paton said Friday. “We’re looking for young developmental backups with some traits that we can develop and we can find those all across Day 3. … Tomorrow, we’re going to have a good day.” Here is a breakdown of the top five draft prospects still available for the Broncos’ consideration: Jager Burton, OL, Kentucky There are few offensive linemen in this class who are proven more durable than Burton. The 6-foot-4, 312-pound Kentucky native started 47 consecutive games for the Wildcats. He’s versatile, too, with playing time split between guard and center.…