Fitzpatrick, Johnson elaborate on quarterback’s rib injury

Last month, Bills receiver David Nelson said that quarterback Ryan Fitzpatrick cracked ribs against the Redskins. Coincidentally, the team’s — and Fitzpatrick’s — slide started thereafter.  At 5-2 after shutting out the Redskins, the Bills lost seven straight.  The quarterback’s passer rating plunged from 116.4 against the Redskins to 51.9, 46.6, and 45.8 in the…