PITTSBURGH — The Pittsburgh Pirates head into a crucial game with the San Francisco Giants at Oracle Park and have one big lineup change. Bryan Reynolds is not in the lineup against the Giants in the series finale, as Nick Yorke will take his place in left field and hit eighth in the batting order. This is the first time that Reynolds isn't in the Pirates lineup since an 11-7 defeat to the St. Louis Cardinals at PNC Park on April 28 and his first time not starting in left field since a 10-5 defeat to the Cardinals at home on April 30, when he was designated hitter. Pittsburgh is taking a big risk with Reynolds not in the lineup for just the second time this campaign, especially, with a chance to win the series against San Francisco. Why the Pirates Don't Have Reynolds in Lineup Reynolds has played in every game this season and will likely get a chance to pinch-hit later on in this game.…