SEATTLE — Dre Greenlaw used his head, but the San Francisco 49ers linebacker won’t earn any plaudits for his football IQ. Greenlaw was ejected in the second quarter of the 49ers’ game against the Seattle Seahawks on Sunday after he initiated a scuffle on the Seattle sideline, leaving San Francisco without its No. 2 linebacker….
49ers’ Dre Greenlaw tossed for headbutt against Seahawks
