If we want to platoon Harper we can always have him lead off vs. righties in centerfield. His .341 OBP vs. right handed pitching and speed on the base paths make him a decent option there.
Righties: Harper, CF/ Werth, RF/ Zim, 3B/ LaRoche, 1B/ Morse, LF/ Desmond, SS/ Espy, 2B/ Suzuki, C
Lefties: Espy, 2B/ Werth, CF/ Zim, 3B/ Morse, RF/ LaRoche, 1B/ Moore, LF/ Desmond, SS/ Suzuki, C