Ernest Jones IV was not wearing helmet during incidentLinebacker will miss game against CommandersSan Francisco 49ers linebacker Dre Greenlaw was suspended for one game after headbutting Seattle’s Ernest Jones IV in the wake of a late hit on the Seahawks sideline.The NFL issued the suspension on Monday, saying the headbutt of a player without a helmet during Sunday’s 32-29 win against Seattle was “contrary to the generally understood principles of sportsmanship.” .. Dre Greenlaw has been suspended by the NFL after a wild incident against the Seahawks. Key points and original sources are listed below.

• Ernest Jones IV was not wearing helmet during incidentLinebacker will miss game against CommandersSan Francisco 49ers linebacker Dre Greenlaw was suspended for one game after headbutting Seattle’s Ernest Jones IV in the wake of a late hit on the Seahawks sidel...S1

• Dre Greenlaw has been suspended by the NFL after a wild incident against the Seahawks.S2