Walker (10-4) allowed a hit and a walk over a scoreless inning to earn the win Saturday over the Cardinals.
Walker kept the game tied in the eighth inning before the Giants took the lead in the bottom of the frame. Walker is one of two relievers in the majors -- the other being Houston's Hector Neris -- to earn 10 wins this season. Over 80 innings, Walker has added a 1.91 ERA, 0.85 WHIP, 99:18 K:BB, 10 saves and 22 holds while emerging as one the Giants' best relievers.