‘While the Jets focused on building their offensive line, the Dolphins spent big money on marquee free agents and the Patriots coped with the loss of quarterback Tom Brady, the Bills made one of their splashiest moves of the new league year, trading for wide receiver Stefon Diggs. The additions Buffalo made on defense should, on paper, make an already-stout group even better — vaulting the Bills to the top of the preseason AFC East totem pole.’