Paul Mullin needs a new striker partner at Wrexham, and plenty are available on a free transfer this summer. Phil Parkinson will be working hard behind the scenes to acquire the players he needs at Wrexham this summer. A football finance expert has claimed that the Reds can spend up to £12 million given they’re pulling Championship-sized revenue however, Rob McElhenney and Ryan Reynolds are unlikely to spend close to that sum. For Wrexham, a stable transfer window is what the doctor ordered and Parkinson has been scouring the leagues for the best free transfers available, with a new strike par…