NFL Notes: 49ers, Bills, Chargers, Cowboys, Falcons, Giants & Seahawks

49ers

• GM Trent Baalke was noncommittal as to whether DE Ray McDonald would play in Week 1, due to his recent domestic violence arrest. (Cam Inman)

Bills

• LS Garrison Sanborn signed a three-year extension worth $3.3 million, including a $550,000 signing bonus, which will be the only guaranteed portion of the contract. (Brian McIntyre)

Chargers

• Chargers signed RB Marion Grice to their practice squad. (Aaron Wilson)

Cowboys

• Ed Werder mentions that NT Josh Brent could face a similar suspension to Aldon Smith, due to issues with substance abuse and conduct policy violations.

Falcons

• The Falcons have fourth-round pick Devonta Freeman listed as the No. 4 running back on their depth chart.

Giants

• Giants signed TE Jerome Cunningham to their practice squad. (Aaron Wilson)

Seahawks

• Seahawks released CB A.J. Jefferson with an injury settlement. (Adam Caplan)