The decision to ban the South Korean for three years has caused a massive backlash, with many suggesting the punishment was too severe.

Kevin Na was one of those who believed the sentence handed out to Kim was harsh, saying that the three-year ban was ‘ridiculous’.

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Now, Na’s caddie, Kenny Harms, has responded in his own way to the situation.

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During the first round of the Shriners Hospitals for Children Open at TPC Summerlin, Harms donned a cap that read “Free Bio Kim”.

“It is probably one of the worst decisions in sports history,” said Harms on Thursday, as was reported by GolfWeek.

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“The guy’s No. 1 on the money list, he’s one of the best players coming out of Korea who plays on that tour, and you’re going to put him in jail? That’s why I wore this. We’re all behind him. The whole golf industry is behind him.”

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Kim, who was the money leader on the South Korean Tour, was also fined £6,750 by the Korean Professional Golfers' Association.