On Friday afternoon, the first deal of the second half was made. The Pirates traded their DH Daniel Vogelbach to the Mets for reliever Colin Holderman. While the trade won’t go down as a major move, the Pirates added an intriguing reliever. For a pitching staff in need of an upgrade, Holderman could be an important piece going forward. Check out more MLB News here. So far this season, Holderman has posted a 2.04 ERA in 17.2 innings of work. The sample size for the 26-year-old is small, but he has not allowed a home run. In his first stint in the majors, Holderman has struck out 18 batters and …