Complex sentence: Despite leading the rotation with ten wins, Moyer sported a 5.47 ERA when the Phillies decided to move him to the bullpen, making room in their rotation for Pedro Martínez.
Split into simpler sentences: Despite leading the rotation with ten wins, Moyer carried a still inflated 5.47 ERA. This prompted the Phillies to move him to the bullpen to make room in their rotation for Pedro Martínez.