Help me win a bet

[bob jenkins]

Originally Posted by David M

What is required if both the 1st baseman and the runner realize the base was missed, does it require a tag of the runner while off the base or the base while the runner is off the base?

I think FED specifically says that if the runner is trying to return, then the runner must be tagged. In this case, I'd apply that only if the runner is "actively" trying to get to the base. If he's just strolling back as after most overruns of first, I'd allow the base to be tagged.