Yankees slugger Jason Giambi says Major League Baseball should apologize to the public for its widespread performance-enhancing drug problem. Claiming he's likely been tested for performance-enhancing drugs more often than anyone, Giambi told USA Today in a story on its Web site Friday that the apology is long overdue. "I was wrong for doing that stuff," Giambi told the newspaper Wednesday before the Yankees played the White Sox. "What we should have done a long time ago was stand up -- players, ownership, everybody -- and said: 'We made a mistake.'