NFL Notes: 49ers, Bengals, ,Bills, Broncos, Bucs, Falcons

49ers

• RB Kendall Hunter‘s extension includes $200,000 in guarantees up front and has a maximum value of $1.75 million in 2015. (Field Yates)

Bengals

• CB Leon Hall and LB Vontaze Burfict have been ruled out for Thursday’s game.

Bills

• Rookie WR Sammy Watkins suffered a groin injury on Wednesday and wasn’t able to finish practice. (Jay Skurski)

Broncos

• RB Montee Ball (groin) returned to practice on Wednesday. (Lindsay Jones)

Buccaneers

• RB Doug Martin (ankle) and Vincent Jackson (ribs) did not practice Wednesday.

Falcons

• WR Drew Davis (foot, PUP) returned to practice on Wednesday. (D. Orlando Ledbetter)