The Padres are two back of the Giants in the NL West, with five games left to play, and they send recently-returned-from-the-DL Chris Young (1-0, 1.20) vs. Randy Wells (8-13, 4.28). Good luck with that.
The Giants on the other hand send Timmah Lincecum (15-10, 3.51) against Ian Kennedy (9-9, 3.76). San Francisco plays all of the rest of its games at home, including the season-ending series against the Padres.
UPDATE 7:24p: Mr F graded me poorly on this Scoreboard Watching post because I didn't mention the Padres play the Cubs and the Giants play the Snakes. I suppose he has a point.