Sports Pulse: When it comes to the Super Bowl there are a lot of unknowns. Will the coin flip be heads or tails? Will Mahomes or Garoppolo score first? Prop bets are usually a toss up, but Lorenzo Reyes did find a few that might be worth a second look. » Subscribe to USA TODAY Sports: https://bit.ly/2L0ktE1 » USA TODAY delivers current local and national news, sports, entertainment,  finance, technology, and more through award-winning journalism, photos, videos and VR. #SuperBowl #SBLIV #propbets