There seems to be a disconnect here.
PM SP1
PM2 SP2
AM OFF DAY
PM SP3
I think Ronnie Howard would like the ability to change his SP before the off day. Of course, you can set it for SP1 but his rest rating(which you can change) can cause him to be skipped. Nonetheless, there are "work-arounds" so you can make it happen.
Weren't you on the other end of this discussion a couple of weeks ago, tec? Something about "If I lose game 5, I may want to use a different stater than if I won game 5."
Anyway, if the SP is set 8 hours before the game, you should have time to react.