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AP Pittsburgh Pirates' Pedro Alvarez, front left, celebrates his home run against the Arizona Diamondbacks with third base coach Nick Leyva (16) during t - Photo

Pittsburgh Pirates' Pedro Alvarez, front left, celebrates his home run against the Arizona Diamondbacks with third base coach Nick Leyva (16) during t

Thursday April 19, 12:04 AM
Pittsburgh Pirates' Pedro Alvarez, front left, celebrates his home run against the Arizona Diamondbacks with third base coach Nick Leyva (16) during the seventh inning in an MLB baseball game on Wednesday, April 18, 2012, in Phoenix. The Pirates defeated the Diamondbacks 2-1. (AP Photo/Ross D. Franklin)