by Ronald Blum – The Associated Press George Steinbrenner died Tuesday morning, July 13, 2010. a great loss for “The Boss” as he was known. Steinbrenner had a heart attack and died at about 6:30 am, a person close to the owner told The Associated Press. Hal of Famer Yogi Berra said, “He built the Yankees into champions, and that’s something nobody can ever deny. He was a very generous, caring, passionate man. We became great friends over the last decade and I will miss him very much.” In 37 – plus seasons as owner, Steinbrenner led the Yankees to …