Conversation so far:
Where was Mike Piazza' childhood years spent?
Mike Piazza was born in Norristown, Pennsylvania
where else did Mike Piazza grow up in besides Norristown?
Mike Piazza grew up in Phoenixville, Pennsylvania
what is interesting about Mike Piazza's childhood?
When he was 12, Mike Piazza received personal instruction in his backyard batting cage from Ted Williams

Question: What was the outcome of this bat boy service?
Self-contained rewrite: What was the outcome of Mike Piazza's bat boy service?