I didn't see a thread on this subject but I wanted to add a new twist coming to replay, perhaps by the All Star Break. The AP reports that umpires will be outfitted with microphones so that they can explain replay decisions to the fans at the stadium, much like the NFL does. This is interesting and I guess I can see how it might be beneficial. Right now, at least at Nats Park, the PA announcer announces who's challenging and what the ruling on the field is and then announces the replay result. I guess the ump would do that instead if this moves forward. Thoughts?