Giants defensive end Osi Umenyiora wants to start, or he is willing to walk away from football.

NFL Network’s Michael Lombardi reports that former Giants defensive coordinator Bill Sheridan is expected to join the Dolphins as linebackers coach, according to a team source.

Former New York Giants defensive line coach Mike Waufle is a candidate for the same position with the Washington Redskins.

Members of the New York Giants coaching staff believe there is a strong chance some of them could be let go following the conclusion of the season this Sunday.

One of the questions facing the Giants during training camp — as well as the rest of the season — is how they’ll replace former defensive coordinator Steve Spagnuolo. Several of the Giants believe they may have even more of an attacking defense this season.