With narrow victory, Padres sweep slumping Cardinals

Wednesday, September 12, 2012 | 8:59 p.m. CDT

SAN DIEGO — Clayton Richard pitched seven strong innings and rookie Yasmani Grandal singled home the go-ahead run to lift the San Diego Padres over the St. Louis Cardinals 3-2 on Wednesday, handing the slumping World Series Champions their 11th loss in 15 games.