No hottie is going to hex Eli Manning during the biggest game of his career - he’s made sure of that.

The Giant quarterback has told his college sweetheart and fiancée, Abby McGrew, to get layered up for tonight’s bitter-cold playoff game in Green Bay - because she has to brave the elements and suffer through the action from stadium seats if he’s going to win.

Eli believes he’s jinxed when McGrew watches his games from the cozy warmth of ...