Shaw spoke out about his relationship with Mourinho during Euro 2020, telling reporters: "There is no hiding that we didn't get on."
And it seems Mourinho is now looking to extend an olive branch to Shaw as he praised the 25-year-old's performances for England and conceded his hardline approach may have been over the top.
Speaking on TalkSport after the tournament had concluded, Mourinho explained how he often tried to "create friction" and "put pressure" on players to get the best out of them, adding: "I always try to find what I can see as the weakness of the player and sometimes I'm successful, other times I'm not."
Discussing Shaw, he said: "Maybe I was too harsh with him, maybe he was not ready for that.
"The injury was such an incredible injury but I think in this moment the country looks to him and deservedly as a proper left-back for the national team from my side I can only say congratulations to him because he did it by himself for sure, with the coaches of the club and the national team.
"I think that he has more to give because his potential is good and now he is defending well and knows how to defend inside which was a weakness for him and when he goes forward the team loses the ball, his recovery back shows how much better intensity [he has] going forward, more intensity, more crosses. I think he was good."
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