By Nick Selbe Gronk’s future in football remains undecided as.training camp approaches. Buccaneers tight end Rob Gronkowski remains undecided on his NFL future. But if the Bucs want the four-time Super Bowl champion back in the fold, they have one clear route to take: sign Julian Edelman. View the original article to see embedded media. “If Julian signs with the Bucs right now, I’m coming back for a whole year,” Gronkowski said on Sunday. “I was just with him last night, and he needs to sign with the Bucs.” Gronkowski, who is currently a free agent, has spent his entire career playing with Tom…