Mark Schlereth // Roll the Tape: -What does the low hit on Tyler Higbee say about where the NFL is headed?  -Do defenders not know how to tackle quarterbacks in the open field? -Does the "Brotherly Shove" go away now that Jason Kelce is retiring? // Will there be more head coach openings?  -potential that some combo of McCarthy, Sirianni, and Tomlin could be out of jobs