![Wimbledon on Twitter: "You can't be serious man You CANNOT BE SERIOUS! That ball was on the line! Chalk flew up! It was clearly in! How can you possibly call that out? Wimbledon on Twitter: "You can't be serious man You CANNOT BE SERIOUS! That ball was on the line! Chalk flew up! It was clearly in! How can you possibly call that out?](https://pbs.twimg.com/media/DOHrA0DW0AES-qE.jpg:large)
Wimbledon on Twitter: "You can't be serious man You CANNOT BE SERIOUS! That ball was on the line! Chalk flew up! It was clearly in! How can you possibly call that out?
![John McEnroe claims he was not serious when he threw tantrums on court | Celebrity News | Showbiz & TV | Express.co.uk John McEnroe claims he was not serious when he threw tantrums on court | Celebrity News | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/79/590x/secondary/John-McEnroe-tennis-you-cannot-be-serious-1001964.jpg)
John McEnroe claims he was not serious when he threw tantrums on court | Celebrity News | Showbiz & TV | Express.co.uk
Tennis Channel on Twitter: "June 22, 1981: 40 years ago today, John McEnroe had his epic #Wimbledon meltdown. 😮 Who else remembers him shouting, “you cannot be serious!” at chair umpire Edward
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