Being a professional athlete in a number of sports today comes with a certain level of fame and fortune that is difficult for us mortals to even imagine. There's the pressure to win, to perform at a high level, to get that lucrative, long-term deal. Most athletes won't make the Hall of Fame or break records, but manage to avoid having the kind of train wreck of career and personal life that lands them into the "Hall of Infamy." How a professional handles adversity often defines their career long after leaving the field of play. As much as the world loves a winner, it loves the comeback story, the rally, even more.
Unfortunately there are many athletes who completely fall apart when the pressure is on—mentally, physically and financially. For every story of redemption you can easily find a cautionary tale. Here are 25 athletes who have seriously lost their minds and in some cases, ruined their careers.