In contrast, 25-year-old England international Jones has struggled to book a regular spot at United due to injuries and featured in just 21 of their 64 matches last campaign.
"We're Manchester United, we're going to attract the best players and the biggest players," Jones told British media.
"It would be a strange summer if we weren't signing players like that. Competition is always good."
Lindelof is the first close-season signing for Mourinho this year, as the manager aims to add to the Europa League and League Cup triumphs from last season.
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(Reporting by Aditi Prakash in Bengaluru; Editing by Ian Ransom)
