With the winning run on second base as he stepped into the batter's box in the bottom of the ninth, Pittsburgh Pirates first baseman Josh Bell could feel his heart racing. The rookie tried to get his breathing under control but couldn't. Adrenaline won out. The Pirates, too. Bell sent a 1-2 pitch from St. Louis Cardinals closer Seung Hwan into the seats in left field to give Pittsburgh a dramatic 5-2 victory Friday night. Bell's 17th home run of the season was also his first walk-off hit in the majors, a show of power that gave the Pirates their sixth win in seven games as they try to climb into the thick of the underwhelming race in the NL Central. read more http://www.espn.com/mlb/recap?gameId=370714123