Athletes have never been known as excellent money managers, and $100M is a boatload of money to anyone. It's roughly 1/3 of his career earnings. This suspension alone will cost him $31M. If it's not completely about the money, it's a very high percentage. He's not going to be breaking any records on the field anytime soon, a World Series this year is highly unlikely, and he doesn't have a prayer's chance in hell of getting into the HOF now. There aren't many reasons on the field for him to fight to play.