[Rusty Backhand]

Australian Open champion Marat Safin officially withdrew from the Pilot Pen early Saturday morning due to an injured knee.

http://topix.net/r/0a0H2TVFa7i=2FqwY3EVp2lj3KJUfO7FRrPBDsY7dPIlNVlMqe=2BzADxDYFGqJ=2BA3HWYqWHzpqtcXEpUupvYqG=2B5iJv9oOp1MNAJ=2FNweo3tAZjA=3D