William Saliba produced a match-saving tackle against Kylian Mbappe, matching the Paris Saint-Germain phenom stride for stride in a stunning sequence.
Saliba starred at the back as he kept Lionel Messi, Neymar and Mbappe quiet in his side's goalless draw against PSG.
His showing against the French giants, though, will be remembered for his inch-perfect challenge on Mbappe when it looked like a goal appeared destined.
Messi pierced a delightful through ball to Mbappe, who latched onto the pass and raced through on goal.
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But the 20-year-old defender had other ideas, making a superb tackle that stopped Mbappe from having an attempt.
Saliba, on loan from Arsenal, matched Mbappe for pace then performed a brilliant challenge in a pivotal moment in the game.
Fans online loved Saliba's moment of magic.
One tweeted: "The 'Mbappe of CBs' locking up Mbappe... Saliba is generational."
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A wrote: "Last ditch tackle by Saliba on Mbappe. What a player man. Get this boy back to Arsenal ASAP."
A third added: "William Saliba well & truly passed the Mbappe test tonight..."
Saliba signed for Arsenal in a transfer worth £27 million in 2019, but has yet to play a game for the Premier League side.
He's been loaned out to Saint-Etienne and Nice while enjoying his football at Marseille this season.
Featured Image Credit: MarseilleTopics: william saliba, Football, Arsenal, Kylian Mbappe