When outfielder Scott Hairston arrived in the clubhouse at Tucson Electric Park this morning he was summoned to manager Bob Melvin’s office. This was an all too familiar trek for Hairston as he had made that same walk each of the three previous years during this week only to be told that he would not be making the trip with the Diamondbacks to Phoenix and he would be sent to the minors to work on some aspect of his game. That news would...