Logan Forsythe and Alexi Amarista had key hits in a five-run fourth inning, and the San Diego Padres beat the St. Louis Cardinals 6-4 Tuesday night to send the slumping World Series champions to their 10th loss in 13 games.
St. Louis maintained a one-game lead over the Los Angeles Dodgers for the NL's second wild-card berth but dropped 10 1/2 games behind Cincinnati in the NL Central.
Forsythe, a homer shy of the cycle in Monday night's 11-3 win over St. Louis, doubled in two runs and Amarista added a two-run triple as San Diego erased a 2-0 deficit in the fourth.
Edinson Volquez (10-10) allowed three runs - two earned - and four hits in 5 1-3 innings, striking out six and walking six. He has a career-high 100 walks, the most in the majors this season.
Luke Gregerson pitched 1 2-3 innings for his sixth save in 10 chances, finishing San Diego's 16th win in 21 games.
Adam Wainwright (13-13), hurt by rookie shortstop Pete Kozma's error in the fourth, gave up five runs - two earned...