Chicago Bears linebacker Danny Trevathan (knee) was placed on Injured Reserve on Friday for the second time this year, ending his season. Trevathan missed the first four games this year with a knee injury and had 19 tackles in the team's last five games. With top pass-rusher Khalil Mack (foot) having season-ending surgery, the Bears defense is falling apart quickly. As a result, the team brought in veteran outside linebacker Bruce Irvin. He has appeared in 121 NFL games and has 308 tackles, 52 ...