FLORHAM PARK, N.J. -- Christian Hackenberg is sitting on a steel bench in the Jets' field house Monday, Warren Moon Titans Jersey, reliving the first snaps he's taken as an NFL quarterback. He's analytical. He smiles. (For the record, he is not smiling as broadly as his head coach did after Hackenberg's first touchdown pass as a Jet; we'll get to that later.) Hackenberg is sporting a semblance of a mustache, which is standard operating procedure, or something like that, for quarterbacks around
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