Is that tennis legend Roger Federer? No, it's not. It's YouTube user Donnie Does pranking the people of Shanghai.

Yes, Donnie is a jerk! And yes, feel bad for the folks who had him sign their stuff. But don't feel for the person who got the Stevie Mittens drawing.

DONNIE DOES | Fake Federer [Donnie Does@YouTube]

Man impersonates Roger Federer, signs autographs in China [CBS Sports]

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