Martin’s 2-run homerun in the seventh sparked the Pirates big inning, and A.J. Burnett pitched six strong innings to lift the Pirates to the victory.
The Bucs (14-10) other seventh inning runs came from an Andrew McCutchen bases loaded walk and a Garret Jones RBI ground out.
Gaby Sanchez put the game out of reach with a sacrifice fly to make the score 5-2 in the 8th, and Jason Grilli picked up the save despite allowing his first run of the season in the ninth.
The Pirates had 10 hits off of a combination of five Cardinal pitcher.
Burnett gave up 5 hits with 3 walks and 6 strikeouts.
The series concludes tomorrow at 2:15