Endangered by yet an additional sweep, the Pittsburgh Pirates got some strong throwing in a bullpen game and came away with a 4-2 gain the Arizona Diamondbacks on Sunday. The Diamondbacks opened the racking up in the first inning after a throwing mistake by Austin Hedges allowed Geraldo Perdomo to score. Ji Man Choi got the run back in the 2nd with a two-run crowning achievement to center BACK...