The Phillies initiated steps to begin a necessary makeover of their troubling bullpen on Friday as the team made two trades to help improve the relief corps that had posted MLB's worst ERA (8.07) heading into action that day. In a pair of trades, the Phillies acquired right-hander David Hale from the Yankees as well as righties Brandon Workman and Heath Hembree from the Red Sox. Originally a 3rd round draft pick out of Princeton University by the Braves in 2009, Hale has posted a 4.23 ERA with a 6.0 K/9 mark and a 1.43 WHIP in 95 career big league appearances. Hale had been designated for assignment recently by the Yankees. In 195 big league games dating back to 2013 Workman has notched a 24-16 record with 20 saves, a 3.75 ERA and a 1.27 WHIP. Workman ranked first in MLB last year in opponents' xSLG (.238), which measures exit velocity and launch angle of each batted ball in an effort to remove defense and ballpark factors from the equation. Hembree sports a 3.6...