Report: Raiders WR Brown files grievance over helmet

ALAMEDA, Calif. (AP) — Oakland Raiders wide receiver Antonio Brown has reportedly filed a grievance with the NFL over a league rule that prevents him from wearing his 10-year-old helmet.
ESPN reported that Brown had a two-hour conference call Friday with an independent arbitrator to state his case for why he should be able to use a helmet that is no longer certified by the National Operating Committee on Standards for Athletic Equipment. League and union representatives were also on the ca