San Francisco Giants pitcher Joe Nathan grimaces as he is about to be pulled out of the game in the sixth inning against the Florida Marlins in game 2 of the National League Divisional Series playoff game, Wednesday, Oct. 1, 2003 in San Francisco. (AP Photo/Elaine Thompson) HOUCHRON CAPTION (10/02/2003): Joe Nathan's distant stare mirrored the Giants' frustration as San Francisco let a three-run lead evaporate against the Marlins.
CHICAGO — Joe Nathan is a Giant again, for the first time since 2003.
The Giants have purchased Nathan's contract from Double-A Richmond, where he pitched six scoreless outings since he was signed Aug.