GLENDALE, Ariz. -- Enrique "Kiké" Hernandez was back home in Puerto Rico, on his way to the stadium where he plays winter ball, when he did something nobody should do, but many people find irresistible. He looked at his phone.He clicked the direct messages icon on his Twitter app and found a congratulatory note from 18-year-old blogger/reporter Robert Murray, one of two teenagers who earlier had broken news of Billy Butler signing with the Oakland Athletics.