MLB: Arizona Diamondbacks at Pittsburgh Pirates

August 9, 2012; Pittsburgh, PA, USA; Arizona Diamondbacks third base coach Matt Williams (9) greets Diamondbacks catcher Wil Nieves (27) after Nieves hit a home run against the Pittsburgh Pirates during the sixth inning at PNC Park. The Arizona Diamondbacks won 6-3. Mandatory Credit: Charles LeClaire-US PRESSWIRE