I have castilla and Burnitz and play both only at home. They are studs at home but suck on the road (with the odd exception, i.e. Vinny's last series @ L.A.)
I used to have Walker, but dropped him because it's too unpredictable when he'll sit and then pinch-hit and waste a game for me.
An unanswered question is better than an unquestioned answer