Then you could add designated base runners and totally ruin it.
I can hear the loudspeakers now:
"WOULD THE FAN SITTING IN SECTION 102, ROW H, SEAT 42, PLEASE REPORT TO THE VISITORS DUGOUT FOR BASERUNNING DUTY."
Then you see some big fat guy with half his shirt unbuttoned waddle down the aisle with a hot dog in one hand, a beer in the other, with the crowd going crazy all around him.