Of course, Jay's Roc Nation Sports just signed #88 ... and Dez couldn't be happier about it -- throwing up the Roc Nation sign after both of his touchdowns last night.
Dez is reportedly gunning for one of the biggest contracts in NFL history ... something over the $100 million mark ... and after last night's performance, ya gotta think Jay's more confident than ever that he'll get it.
See More Photos After The Cut....
