Following today’s opener against Dallas, Cleveland may now have a concern going into the start of their season with the status of David Njoku. Per a report by Ian Rapoport, Njoku may have suffered a high ankle sprain against the Cowboys. The Browns’ tight end will undergo testing on Monday to confirm the injury and its severity. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! “#Browns Pro Bowl TE David Njoku is feared to have suffered a high-ankle sprain in today’s loss to the #Cowboys, sources say,” wrote Rapoport on Twitter. “He’ll hav…