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Share the Moment: John McEnroe coins "You cannot be serious"
John McEnroe’s epic Wimbledon meltdown: ‘You cannot be serious…
WATCH: John McEnroe hilariously recreates iconic 'You cannot be serious …
The day John McEnroe said the iconic “You cannot be serious” line
You Cannot Be Serious - Wikipedia
'You cannot be serious': How John McEnroe landed the …
McEnroe was right on that call? You cannot be serious!
It was 30 years ago? You cannot be serious! | Reuters
John McEnroe's life and career given fresh perspective in new ...
You cannot be serious! John McEnroe has matured into a beloved figure ...