Birmingham City manager Garry Monk believes it was unethical of Leeds United boss Marcelo Bielsa to try and spy on Derby County’s training session.

Bielsa admitted that he had sent someone over to observe Derby training, and subsequently made the headlines for all the wrong reasons, as his spy was caught and spoken to by police.

Though Bielsa’s side emerged 2-0 winners against Derby and were largely comfortable in the game, the Leeds boss was criticised by fans and pundits alike.

Monk, who managed Leeds for nearly a year, has admitted that he was disappointed with what Bielsa did, and does not feel it is ethical.

“First of all, the normal reaction is the comical side of it, someone rustling around in the bushes and trying to spy. I don’t really see the benefit of that", Monk was quoted as saying by the Derby Telegraph.

“There’s the other side, the ethical side and what we do over here. We like to think it’s fair sportsmanship in this country and we don’t like to see any of that.

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“It’s not the right thing to do, it’s not ethical.

“I suppose it’s more disappointing to hear something like that from such an experienced manager and such a world-class manager as he is.”

Leeds have been lauded for their football this season, but the Whites are now coming in for fierce criticism due to the spygate saga.

It remains to be seen if the authorities take any action against Leeds, but the club have already apologised to Derby.