Arguably the only person more interested in Eli Manning’s slow-moving contract negotiations than Manning is his backup.
It doesn’t take a particle physicist to know Ryan Nassib’s future with the Giants hinges on whether Manning gets the huge, multi-year extension he’s seeking, which Nassib admitted Thursday before practice at the Meadowlands.
The Syracuse product told The Post he would assess his options after this season if the Giants decide to keep the 34-year-old Manning under wraps for four or five more years at $20 million or more per season instead of letting Manning play out the final year of his current deal.