[SanDiegoSteve]

Just to set the record straight, and not to solicit a reply, I never, no not once, ever gave the impression that the Case Book was a separate entity from the OBR. On the contrary, all of my posts referred to its location as after the rule itself. My original spelling was incorrect, as I spelled Case Book as all one word.

If anything, my explanations of rules, interpretatons, etc., are usually too long-winded, so I tend to try to err on the side of brevity when possible.

jpc, in his original question, said that the runner's actions did not appear to be intentional. That to me said that the contact should be ignored in that particular situation. If the BR is simply running to first base, and happens to have a little contact with the catcher, interference is not called, unless you adjudge it as intentional.