Bailey might end up being the big winner as he has stepped up with Singleton sidelined. And while Payton does not seem alarmed about the state of the LB room, the team did sign veteran Garret Wallow to shore up their depth. If all goes well -- knock on wood, as Payton said -- Greenlaw and Singleton will be ready for Week 1.

In an alarming sight for an already-banged-up inside linebacker room, Dre Greenlaw pulled up with a grimace after covering J.K. Dobbins in team drills.