I still think you'll be fine with the 2272 total PAs - an amount that includes the 10% bonus. It averages out to 757 per OF position (2272/3= 757). Presuming the guys don't bat 1, 2, & 3 in the order and your back up isn't used much as a PH (set accordingly, the guys should be able to play at 98-100% all the time. It depends on the park and, as mentioned, their position in the order but the latter is something you can manage as you move through the season. Just be sure the 4th guy isn't used up by pinch hitting a lot.