I assume he'll just filling in for ARod at third when he misses his weekly game. Beyond that, I don't see a use for him cause I don't fear him as a left-handed pinch hitter and I don't think anyone else does either
the entire point of the Red Sox offense isn't necessarily to set up RISP for the middle of the order, it's to keep the line moving as much as possible. taking that into account, I think Drew at the top works best