federer's hand?

wtf is that on his hand? a huge blister?



http://sports.yahoo.com/ten/players/42/photos;_ylt=AsxPOEQPj2OPeTFVLDTqEZExv7YF#photoView er=urn%3Anewsml%3Asports.yahoo%2Cgetty%3A20050301% 3Aten%2Cphoto%2Cc8dc4b4e13e037813e4e16edbdb7504f-getty-tennis-open-aus-federer%3A1

Mono?

No its that hard thing i forgot what its called.

lepra

his best friend: hand callus, caused for the grip on the racket :lol:

i think he will retire b/c of that

Yes callus is the word i was looking for, actually protects the hand.