Pseudolus,

It could be argued that getting four balls in many cases is "using your bat." Unlesss it is an intentional walk, or the pitcher has completely fallen apart, most batters win the battle over the pitcher by fouling off potential strikes, checking their swings and not swinging in the fact of a potentially called ball.

These there's the case of the bean ball, I've seen an unusualy situation of a batter being hit by a pitch, thus walking a run in, then the batter, with bat in hand, rush the pitcher. Luckily, he didn't "use his bat" but he recieved the RBI while he was being ejected from the game. Thank goodness baseball is a non-contact sport.