The ugly history that suggests 49ers’ Dre Greenlaw won’t win appeal after head-butting suspension

San Francisco 49ers linebacker Dre Greenlaw was given a one-game suspension for head-butting Seattle Seahawks linebacker Ernest Jones IV without a helmet in Sunday’s 32-29 Week 5 win. Greenlaw plans to appeal the NFL’s suspension decision, however, his past history suggests he won’t win the appeal. In his latest column for The San Francisco Chronicle, Eric Branch recalls when the 29-year-old was suspended for one game last season when he was with the Denver Broncos. There was an incident where Greenlaw chased after and yelled at a referee, allegedly threatening the official .