PITTSBURGH -AP- Josh Harrison came off the bench to hit a two-out, two-run double in the sixth inning to help the Pittsburgh Piratesdefeat the Arizona Diamondbacks 8-3 on Thursday.That gave the Pirates a 5-3 lead.The runs gave reliever A.J. Schugel (1-1) his first major league win after he had surrendered the lead inherited from starter Gerrit Colein the top half of the inning. Schugel gave up a two-run single to Paul Goldschmidt in his only inning of work. Arizona starter Patrick Corbin (2-4) took the loss. He was responsible for both runners that scored on Harrison's double, which was hit off reliever Jake Barrett.Cole hit a three-run homer in the third inning.The Pirates added three runs in the eighth inning. Andrew Chafinloaded the bases and gave way to Evan Marshall, who gave up a two-run double to Jung Ho Kang and an RBI double to Starling Marte.