Fans genuinely can't believe what Roberto Martinez did during Portugal's national anthem ahead of their last-16 clash against Slovenia.
Portugal are aiming to book their spot in the quarter-finals of Euro 2024.
The Euro 2016 winners are currently facing Slovenia in Frankfurt.
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But the tie between Portugal and Slovenia got fans talking before a ball was even kicked.
People on social media couldn't understand Martinez singing Portugal's national anthem.
Martinez, a Spanish national, belted out 'A Portuguesa' along with the likes of Cristiano Ronaldo before their Euros showdown to the dismay of fans online.
One X user wrote: "Spanish-born Roberto Martinez booming out the Portuguese national anthem there surely the international equivalent of kissing a rival club's badge."
A second tweeted: "Did I just see Roberto Martinez of Spain sing the national anthem of Portugal? He had a massive smile on his face while singing! WTF?"
A third added: "Roberto Martinez singing the Portuguese national anthem was very weird."
A fourth said: "Something weird about Roberto Martinez singing the national anthem of a nation he isn’t from."
Another questioned: "What's with Roberto Martinez singing the Portuguese national anthem as a Spanish national."
Portugal topped Group F, having won two of their three group stage matches. They beat Czech Republic and Turkey before succumbing to Georgia.
Topics: Fan Reactions, Roberto Martinez, Portugal, Football, Euro 2024
Nasir Jabbar