The Denver Post reports Von Miller's four-game suspension is for testing positive for amphetamines and marijuana during his rookie season in 2011.
The Jaguars declined LT Luke Joeckel's fifth-year option.
The Rams have exercised Tavon Austin's fifth-year team option for 2017.
Redskins released CB Chris Culliver.
Colts waived C Khaled Holmes.
The Titans have declined RG Chance Warmack's fifth-year team option for 2017.
Steelers OLB James Harrison confirmed he will play in 2016.
Lions exercised DE Ziggy Ansah's fifth-year option for 2017.
Vikings exercised CB Xavier Rhodes' fifth-year option for 2017.
Titans coach Mike Mularkey said DeMarco Murray "loved" the selection of Derrick Henry in the second round of the NFL draft.
Bears released OG Matt Slauson.
Bears released S Antrel Rolle.