Veterans offer foundation for secondary to improve

Chris Harris Jr. and Aqib Talib had great seasons in 2014 to make the Broncos' defense hard to pass against, and they're working to make it even more difficult.

ENGLEWOOD, Colo. — As the Broncos' secondary continues to implement changes from schematics to personnel, the two veteran pillars defending on the edges will be a major key for how much heat the defense can bring and how much it can improve further.

Chris Harris Jr., who returned to form after rehabbing from a devastating knee injury, rated as the best cornerback in the NFL in 2014 and Aqib Talib came in at No. 15. Combined with the rest of the secondary, the Broncos were the toughest team to pass against last year, allowing a…