Illegal offensive player and illegal defensive player...

[HugoTafurst]

Originally Posted by Umpteenth

This is a key piece of information. If the ball were hit to F6, then F6 was not identified as an illegal defensive player before the next pitch, because the ball could not have been batted in that direction without a pitch occurring. In fact, with 2 runners on base, it is likely that F6 was in the game at the start of the half inning. So, you should only have to rule on B3, the illegal batter.

Quick comment - isn't F6 illegal no matter when she is discovered?
The "before the next pitch" stuff deals with the the pitch following the play that involved the illegal player.