However, Croatia's inspiring display ended 'it's coming home' chants and Mourinho feels there's reason for optimism despite falling short.
Lindelof embodied most of their good qualities such as their efficiency on the ball, their work-rate and their solid defending.
The Sun says Mourinho has booked his United squad in for double sessions this week at the start of a brutal pre-season training regime.
According to Manchester Evening News, the Sun claim Benfica and a host of other clubs want sign Victor from the Red Devils on a temporary basis.
Academy players Tahith Chong, RoShaun Williams, Ethan Hamilton and Joshua Bohui could also make the plane after they were spotted training with the first team recently.
However, Spurs are resigned to losing the 29-year-old this summer given a clause in his contract allows him to leave for just £25m in 12 months' time.
"So for them to go back to their country and take a nation like Croatia to the World Cup final is something wonderful".
Croatia have gone to extra-time in all of their knockout games and will face a France team far fresher in Moscow.
United open the 2018-19 Premier League season as they take on Leicester City at Old Trafford on August 10.