Wrexham fans are still waiting for a first signing of the summer as Phil Parkinson prepares to lead the club into League One. Promotion to League One was always going to bring major changes – and plenty of speculation. Wrexham were a National League side just over a year ago so major reinforcements are needed to raise the level of the squad. We are yet to see a new arrival at the STōK Cae Ras though with business a little slow across League One; after all, we are only a few days into June. Not every team will operate quite like Rotherham United, who have already made a staggering seven signing…