Sanders, who was carted off the practice field on Saturday, is set to miss an " extended period " of time after suffering a tendon injury in his foot, NFL Network's Ian Rapoport first reported Sunday. He is not expected to return before the Broncos kick off the regular season against the Tennessee Titans on Sept. 7.

The Broncos aimed to welcome back Drew Sanders for a full season. But the promising defender got hit with a new ailment.

Broncos linebacker Drew Sanders is set to miss the start of the season for the second year in a row with an injury unrelated to last