The win lifted Brendan Rogers' side to fourth place in the Premier League with 12 points, while the Gunners stay in 10th place with nine points after six games.
Manuel Lanzini's sensational long-range strike into the top corner capped the comeback after Fabian Balbuena's header and Davinson Sanchez's own goal resurrected David Moyes' men.
The 35-year-old Juventus striker will miss Wednesday's UEFA Nations League game against Sweden but is "well, has no symptoms and is in isolation", the Portuguese federation says.
Bitter rivals Liverpool and United were joined in misery on Sunday after chastening defeats that rank among the worst that English football's two most successful clubs have ever suffered.
Lionel Messi has announced that he will stay at Barcelona, insisting he could never go to court against "the club of his life."
Seen as a sleeping giant of English football, Leeds won the last of its three English league titles in 1992 and was a Champions League semifinalist in 2001.
Charlton finished his career as one of the all-time great defenders, making a record 773 appearances for Leeds and scoring 96 goals. He played 35 times for England, netting six goals.
Under the plan the competition, which was suspended in March due to the coronavirus pandemic, will resume with the second-leg of remaining last 16 games played at the scheduled venues.
Competitive sport was suspended in Britain in March in response to the coronavirus pandemic.
Clubs began training in small groups last week under strict limitations and no contact, but Wednesday's meeting opens the door to a gradual return towards contact training.
The investigation focused on two matches at the end of the 2013-14 season in which Osasuna’s executives paid two Real Betis players to influence the outcomes.
As Taiwan has been comparatively managed the spread of coronavirus pandemic in the country, the baseball and football seasons slowly start to take off without any fans present.
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