Anibal Sanchez threw a five-hitter for another complete game in San Francisco, leading the Florida Marlins to a 1-0 win Thursday over a Giants team still stunned by the loss of Buster Posey. A day after the star catcher sustained a broken lower left leg when Scott Cousins crashed into him at the plate -- likely ending Posey's season -- the Marlins finished off a three-game sweep.