SportsPulse: The first quarter of the NFL season is nearly in the books and it's the first time with confidence we think we know where everyone stands. Mackenzie Salmon "overreacts" to the biggest storylines from Week 4. » 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. #nflweek4