Courtesy Runner Rule

[CecilOne]

Originally posted by DownTownTonyBrown
... snip ... The rulebook has two requirements and they don't agree.
... snip ... These statements are not the same and they really don't reinforce each other.

I don't see how these are contradictory. If something can't happen any time during the game, then it can't happen in the same half inning or in the same whole inning or in the same at bat or whenever. All we really need is "The same courtesy runner may not run for both the pitcher and the catcher. (period) ", but redundant rules are better than unanswered questions.
What needs to be more clearly stated is that the CR is running for a position and not a player. If #33 was a CR for the #12 as the pitcher and #12 moves from pitcher to catcher, #33 can not be a CR for #12 as a catcher.