HENCH referee Anderson Daronco has left fans stunned on social media.
The Brazilian officiates in his home country’s top-flight.
And pictures have circulated online of Daronco, 40, taking charge of games, with his rippling biceps on display.
Players petulantly arguing with officials is a common sight in football.
But Twitter users have joked that they wouldn’t dare remonstrate with Daronco.
One wrote: “If he gave me a red card, I would say to him ‘sorry’ and offer to put it back in his pocket for him.”
Another added: “I don’t think any player ll challenge his decision”.
A third quipped: “Meet Brazilian referee Anderson Daronco. If he gave me a red card I’d say thank you.
“Look at the size of them arms”.
Daronco also seems to be making a positive impact in other ways.
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In August last year, he became the first referee in Brazil to halt a match because of homophobic chanting.
The incident, not new in Brazilian football, took place in a game between Vasco de Gama and Sao Paulo.
And Daronco intervened, stopping play and instructing home manager Vanderlei Luxemburgo to address the crowd.