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Featured Image Credit: Marseille
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.
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.
This last-ditch tackle - and celebration - from Arsenal loanee William Saliba on Kylian Mbappe :triumph: pic.twitter.com/Us1fPthkae- Football on BT Sport (@btsportfootball) October 25, 2021
Fans online loved Saliba's moment of magic.
Another cleansheet for William Saliba tonight. This time v Lionel Messi, Kylian Mbappe and Neymar :punch:- Av (@aviv_lavi) October 24, 2021
That's EIGHT cleansheets in only twelve games now - including this latch ditch tackle to deny Mbappe late on :eyes: pic.twitter.com/Hy6Ut6XekE
Arsenal won, Tottenham Hotspur lost, Manchester United lost and William Saliba keeping a cleansheet against Messi, Neymar and Mbappe.- SAMBi° (@afcsam48) October 25, 2021
Its been a good weekend for us Arsenal fans. pic.twitter.com/AapS1rP5Fz
Saliba carry job v Mbappe, Neymar and Messi:grin: pic.twitter.com/sbwhoJtwXk- Sam (@Afcsammmm) October 24, 2021
William Saliba pocketed Messi, Neymar and Mbappé at the age of 20. Rolls Royce CB pic.twitter.com/syYe88RgB6- Finn (@Finn_AFC) October 24, 2021
One tweeted: "The 'Mbappe of CBs' locking up Mbappe... Saliba is generational."
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.