This is very interesting. Guy steps in for Willis, leads the team in tackles and then retires after one NFL season because he's made the decision after much research that the risk of playing football is not worth it. Worlds, Willis and now this guy. We're going to see more of this.
http://sacramento.cbslocal.com/2015/03/16/san-francisco-49ers-chris-borland-says-hes-retiring-over-head-trauma-concerns/
http://sacramento.cbslocal.com/2015/03/16/san-francisco-49ers-chris-borland-says-hes-retiring-over-head-trauma-concerns/
