By Alek Arend Nick Castellanos lost his cool with a reporter over the weekend. The reporter asked the Philadelphia Phillies right fielder if he heard the boos directed towards him during the team’s 6-2 loss to the Cubs. Castellanos called it a “stupid question,” sparking a tense response from the reporter. John Kruk doesn’t blame Castellanos at all. “I’m sure there’s no one more frustrated than him with how things have turned this year for him,” Kruk said. He added, “In San Diego, I was hitting .240, and threw a bat at a reporter. Thank God you didn’t have social media back then.” Never change…