DH - Re-entering question

[Eastshire]

Originally Posted by cshs81

The "playing offense" is what I need clarification on. If the defensive player is a pinch-runner but never comes to bat that inning, is that "playing offense?" Or does he have to come to bat before he is "playing offense?" I'll assume by your post that the fact that he's a PR constitutes "playing offense." Correct?

Running is playing offense. If at any point the player who is being DHed for participates in the offensive half of the inning, the DH is terminated.