By Andrew Holleran The Cleveland Browns are reportedly prepared to make a big offer to hold onto tight end David Njoku in free agency this offseason. Njoku, who’s coming off a big season, is set to hit free agency this offseason. According to cleveland.com, the Browns are prepared to make a double-digit offer to keep Njoku in town. This makes sense for the Browns, but it could lead to other moves. “Glad they’re coming to the realization he’s BEEN the best TE on the team,” one fan tweeted. “Soooo I love this if Hooper isn’t on the team at the same time,” another fan added. “More indications tha…