MANCHESTER UNITED legend Nicky Butt has revealed Sir Alex Ferguson caught him and Roy Keane red-handed after they decided to secretly go hang gliding.
Red Devils icons Butt, 49, and Keane, 53, were sat around the pool in Brazil for the Club World Cup in 2000 when they spotted people flying overhead.
And Butt has now detailed how the pair came to sneak off and try it themselves, before they were quickly forced to deny it to boss Fergie.
Speaking on the , he told Paul Scholes: "You have to run and jump off this cliff and drop like that.
"And we said 'Oh there's our hotel'. Then Roy's gone next to us [and] you can shout next to each other from like 40 yards away.
"We're shouting 'Whey, whey,' and the story goes that the manager is round the pool looking up with his shades - 'That better not be any of my f***ing players."
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Having landed on Copacabana beach, Butt continues: "We get back to the hotel and I don't know how it always happened but every time you did anything wrong the first person you see was the manager.
"We walked into the hotel, the lift opened, the manager's stood there and he's gone 'Tell me that wasn't you two,' and we went 'No it weren't us'.
"He said 'F***ing better not be you two,' and I went 'It wasn't us'."
Fergie's former assistant Steve McClaren previously spoke about the incident.
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He said: "There were helicopter rides and, secretly, some of the boys went hang-gliding.
"The gaffer said 'I don't want to see anyone up there' but a few sneaked in.
"They would have been strangled if the gaffer had found out.
"We were sunbathing by the pool and I saw them coming down. I'm not naming the names neither."
Butt was a part of six of Ferguson's 13 Premier League-title winning teams.
He also won three FA Cups and the 1999 Champions League during his 12-year stint in Man Utd's first team.
Butt left Old Trafford for Newcastle in 2004, a year before Keane departed for Celtic.