By Zach Koons One major obstacle remains in the way. The future of Browns quarterback Baker Mayfield remains hazy as the summer lingers on, but according to a report, a trade out of Cleveland isn’t entirely out of the question. The Browns and the Panthers reportedly continue to engage in trade talks surrounding the former No. 1 pick, according to Jonathan Jones of CBS Sports. However, the two teams remain far apart on one particular issue: how much of Mayfield’s 2020 salary each one will take on. Teams that have been interested in striking a deal with Cleveland have been hesitant to pay Mayfie…