The Cowboys' release of fullback Lawrence Vickers wasn't as much about clearing salary-cap space as it was changing the direction of their offense. With Vickers sidelined after back surgery, Dallas spent the offseason working without a fullback. The Cowboys found they like what they have in their tight ends. Jason Witten, Gavin Escobar and James Hanna are the top three at the position, with Dante Rosario and Colin Cochart competing for the fourth spot. Rosario has experience as an H-back. ...
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