NFL Notes: Ray Rice Investigation, Browns, Buccaneers, Cardinals, Colts

Ray Rice Investigation

• The independent investigation led by former FBI Director Robert Mueller into the NFL’s handling of the Ray Rice situation has already begun. (Ian Rapoport)

Browns

• TE Jordan Cameron remained sidelined on Thursday due to his shoulder injury. (Mary Kay Cabot)

Buccaneers

• RB Doug Martin and G Logan Mankins both returned to practice on Thursday. (Rick Stroud)

Cardinals

• HC Bruce Arians mentioned that WR Larry Fitzgerald was limited with a knee injury during the team’s Monday night opener. (Darren Urban)

Colts

• OLB Robert Mathis is undergoing surgery Thursday to repair his torn Achilles’ tendon. (Mike Chappell)