What exactly is in store for newly signed cornerback William Gay? The Steelers have yet to sign unrestricted free agent Keenan Lewis to a long-term deal, and the question of whether Gay was signed to replace him or just bolster depth at a position that needed it last season surfaces.

Gay didn't fare well in Arizona - the team with which he signed before the 2012 season after spending five years in Pittsburgh. All reports indicate he's excited to be back, but his three-year, $4.5 million deal with a $500,000 signing bonus places him in an interesting spot. Is he Lewis's replacement, the nickel back when Cortez Allen fills Lewis's starting position or just a fourth cornerback on a team that fell apart at the position down the stretch?

Those questions and more in the latest video from Behind The Steel Curtain.

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