By WILL GRAVES
AP Sports Writer
PITTSBURGH (AP) - The St. Louis Cardinals stumbled against the Pirates for the second straight day, allowing home runs to Starling Marte and rookie Jordan Luplow in a stinging 4-1 loss to Pittsburgh on Sunday.
St. Louis began the day 1½ games behind Colorado for the NL's second wild card.
With the score 1-1, Pat Bostick singled against Seung Hwan Oh (1-6) leading off the fifth and Marte followed with his seventh home run. Luplow went deep an inning later off Brett Cecil.
Jameson Taillon (8-7) allowed one run and four hits in five innings. Five pitchers combined for hitless relief, with Felipe Rivero striking out two in a perfect ninth for his 19th save in 21 chances.
Matt Carpenter hit his 22nd home run for St. Louis.
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