This week on The Underdog NFL Show, Chris Horwedel and Mario Hines talk a little bit about the Detroit Lions' current over/under win total number, as well as numbers for the Philadelphia Eagles and Miami Dolphins.  They then talk about the Tua concussion and Mario gives some inside information on his experiences dealing with concussions both in high school and while playing college football.  The guys wrap things up by talking over each and every game on the NFL's week 5 schedule.