Where do the Miami Dolphins have a clear advantage over Buffalo? What’s the best way to contain Josh Allen? How should the offense attack the Bills defense? Part 1 of the pre-Bills game SI Fan Nation All Dolphins mailbag: From Richard grosso (@rjgro): So if KK replaced 40 at boundary on Sunday, why didn’t Needham move back to slot? Has Crossen surpassed him for that job? Hey Richard, good question. I’m getting the feeling (it’s just that) that guys in the secondary will be interchangeable until Byron Jones returns to the lineup. I think we just as easily could see…