May was a historically bad month for the Pittsburgh Pirates and after falling 5-0 to the St. Louis Cardinals it looked like the struggles were going to carry over into June. Then the Pirates exploded for six runs in the seventh innings including back-to-back home runs from Ke’Bryan Hayes and Josh Palacios to take a 7-5 win. Now, Pittsburgh is 29-27, only a half game behind the Brewers for the top spot in the NL Central and five games clear of the last place Cardinals, 25-33. As the Pirates go for the series win against their NL Central rivals they’ll…