Andy Samberg Is John McEnroe.. And Bjorn Borg?

This may be the funniest/most accurate video I've seen in a while. Watch as Comedian Andy Samberg transforms from Saturday Night Live funnyman, to Tennis legends Andre Agassi, Bjorn Borg, and John McEnroe, with stunning accuracy.

Hilarious.

Check out the slideshow to see all the pictures (Agassi, Connors, Sampras, Borg, McEnroe) here