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The cross-pollination of the AFC East may be continuing.

Former Jets coach Rex Ryan, now with the Bills, has parted ways with defensive lineman Mario Williams. Former Jets G.M. Mike Tannenbaum, now with the Dolphins, may be signing Williams, soon.

Per a source with knowledge of the situation, the Dolphins are the clear front-runners to sign Williams. There’s currently a push to get a deal done Tuesday.

If the Dolphins sign Williams, they either will be moving on from Cameron Wake or making no effort to match an offer sheet signed by Olivier Vernon. The Dolphins possibly (key word: possibly) could even rescind the transition tender, if they sign Williams.

While the free-agency period doesn’t open until Wednesday at 4:00 p.m. ET, Williams can be signed at any time, because he already has been released.