RW: Ivan Perisic (market value: £41 million)
If Mourinho had signed Perisic in the summer from Inter, it would have set United back by a cool £45 million, and that did not seem a reasonable fee for the 28 year-old winger at the time.
Understandably, when the Italians demanded Martial in return, Mourinho chose to drop his pursuit of the Croatian. Having struggled to find a player to fill a gaping hole on the right wing, Mourinho might start wishing they had paid the asking price for Perisic.
Perisic offers pace, width and incredible crossing ability that would have been devastating with an aerially strong striking partner like Jesus or Lukaku. He's already had one of his best individual seasons at Inter so far, and its still only January.
However, with Alexis Sanchez reportedly very close to a deal to come to Old Trafford, Jose won't be having any immediate regrets about missing out on Perisic.