The mere mention of Jose Mourinho during the midst of a summer transfer window is enough to send a shiver down the spines of Manchester United supporters. Things were rarely quiet and drama-free around this time of year when Mourinho was calling the shots. Seemingly barely a day went by back in 2018, for instance, when the preening Portuguese was not complaining about something or another; his face the spitting image of the proverbial slapped behind. Still, while Mourinho is long gone at Old Trafford these days, Manchester United could still find themselves renewing acquaintances with their ol…