"I don't think that he's done. I could see him in Jacksonville."
Plaxico Burress says he's envisioning a Tom Coughlin-Eli Manning reunion down in Florida ... telling TMZ Sports he's predicting Eli could end up on the Jags at some point this season.
"I don't believe that No. 10 is done," Eli's former favorite receiver says ... "I could see him down in Jacksonville reuniting with the great Tom Coughlin."
Of course, all the stars are aligning to make the move happen. The Jags' starter, Nick Foles, is injured .