Photography of the Penguins, Pirates, Steelers and Pitt in Pittsburgh, PA

MLB: AUG 06 Diamondbacks at Pirates

MLB: AUG 06 Diamondbacks at Pirates

6 August 2012: MLB home plate umpire Brian O'Nora calls Pittsburgh Pirates second baseman Neil Walker (18) safe ahead of the tag by Arizona Diamondbacks third baseman Chris Johnson (28) during the eighth inning. The Pirates defeated the Arizona Diamondbacks 4-0 at PNC Park in Pittsburgh, Pennsylvania.