(Photo via Fast Horse Inc.)
Professional athletes always seem to be playing for that next big contract. The good ones outperform their current deal in a season or two and ask for a pay raise. More times than not, the front office obliges. But the old adage "be careful what you wish for" certainly applies in these situations. With huge contracts come impossible expectations, and some players have found the pressure overwhelming. Here is a list of athletes who have wilted under the pressure of signing a big contract.