Baseball fans calling for a salary cap are making a mistake. A cap doesn't magically create competitive balance, it just gives owners another reason to keep more money. If an owner isn't willing to invest in players now, why would a salary cap change that? There will never be a salary cap in MLB. The MLB Players Association is the strongest union in professional sports, and the players have no incentive to accept one. People point to the NFL and NBA, but both have salary caps and plenty of franchises still haven't won championships. In MLB, only one current franchise, the Mariners, has never reached a World Series. A salary cap isn't the answer. Owners who are committed to winning already spend. Owners who aren't will find another excuse not to.