Marko Arnautovic riled Inter Milan fans on social media before scoring the winner against Atletico Madrid in the Champions League on Tuesday night.
The 34-year-old has polarised opinion at the San Siro ever since his arrival from Bologna back in the summer.
Arnautovic had, prior to the clash against Diego Simeone's side, netted just three goals for Inter.
Yet he popped up with a vital winner against Atletico, converting from close range after a shot from Lautaro Martinez was parried.
Marko Arnautovic scored the only goal of the game as Inter Milan beat Atletico Madrid in their Champions League clash
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Arnautovic had, prior to his strike, missed three big chances to put Inter in the ascendancy.
And fans online were furious with his display.
"Never seen a guy miss more grade a chances than Mr. Arnautović. Terrible stuff," wrote one user.
A second said: "Arnautovic is actually terrible."
A third weighed in by saying: "My god Arnautovic is awful, Inter are basically playing with 10 men."
A fourth had said: "Arnautovic must be sold for this miss."
And a fifth raged by saying: "The amount of big chances that Arnautovic has missed this season.."
In the end, however, the veteran had the last laugh.
Arnautovic is remembered on these shores for his performances for Stoke and West Ham, where he could inspire and infuriate in equal measure.
And he'll be delighted after boosting Inter's chances of winning the Champions League for the first time since 2010.
Of course, the tie isn't over just yet.
Atletico will fancy their chances of going through, especially given how they'll be playing at home in the second leg.
But Simeone's men didn't manage a single shot on target and will have to be sharper and more adventurous in order to go through.
In other Champions League news, meanwhile, PSV Eindhoven and Borussia Dortmund drew 1-1 during their match in the Netherlands.
Donyell Malen was facing his old side following his move back in the summer transfer window of 2021.
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Marko Arnautovic infuriated Inter Milan fans before netting a vital goal against Atletico Madrid in the Champions League
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And the Netherlands international put his side ahead in the 24th minute of their clash.
However, PSV were the better side - managing more shots than their opponents and having more of the ball as well.
And they levelled courtesy of a penalty from Luuk de Jong, who previously played in the Premier League with Newcastle.
Four teams are in Champions League action on Wednesday.
Porto host Arsenal, with the Gunners looking to make the quarter-finals of the competition for the first time since 2010.
PSV Eindhoven and Borussia Dortmund drew 1-1 in the other Champions League clash on Tuesday night
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And Napoli host Barcelona, with both clubs in crisis amid their issues in Serie A and LaLiga respectively.