Manchester United being in “sell to buy” mode after signing two players has put the handbrakes on their transfer window. Joshua Zirkzee and Leny Yoro were both brought for palatable fees, especially since the payment for neither is 100% upfront. Even so, it is a Glazer legacy that United find themselves pinching pennies after doing two deals, necessitating a need for creative ways to do deals or potential opportunities they can take advantage of. A huge one has just arrived on the market after a manager’s latest comments… Man United’s opportunityGenerally, managers like to play their cards clo…