Giants still have an open spot on 53-man roster The New York Giants, dealing with several injuries at cornerback, Wednesday added cornerback Fabian Moreau to their 53-man roster. At the same time, they officially placed wide receiver Sterling Shepard (torn ACL) on injured reserve. In his sixth NFL season, Moreau was a practice squad elevation for the Giants during the past two games. He has played 56 defensive snaps during that time. Starting cornerback Aaron Robinson (appendix) has missed both of those games. Robinson was a limited participant in Wednesday’s walk-through practice and coach Brian Daboll said he is “trending…