SACRAMENTO, Calif. (Reuters) – The mayor of Anaheim, California, resigned on Monday amid a federal probe into possible corruption involving the $325 million sale of baseball’s Angel Stadium, his lawyer said. Anaheim Mayor Harry Sidhu had been under pressure to resign since a federal affidavit made public last week showed that he was under investigation by the FBI in relation to the city’s sale of the stadium to Angels owner Arte Moreno and his development company. In an email to Reuters, Sidhu’s attorney, Paul Meyer, confirmed that Sidhu had resigned but denied any wrongdoing. The mayor’s sole…