According to the Daily News, Yankees owner George Steinbrenner has died at the age of 80. He died at 6:30 a.m. after suffering a massive heart attack early this morning. Steinbrenner just turned 80 last week and was at Yankee Stadium for Opening Day this year. It has been a very difficult week for Yankees fans, with the death of Bob Sheppard and now Steinbrenner, the man who has lorded over the city’s sports scene for three decades. Bill Madden, the Daily News writer whose biography of Steinbrenner is still on the bestseller list, has an obit up.