He may not be pants on the tennis court .
The world 's No. 1 player will certainly be pants off it after agreeing to be the face of Giorgio Armani'sUnderwear and Armani Jeans range .
He may not be pants on the tennis court , but the world 's No. 1 player will certainly be pants off it after agreeing to be the face of Giorgio Armani'sUnderwear and Armani Jeans range .