In every sport, there are always players who are undervalued, under-appreciated and underrated.
In baseball, with the large roster sizes, September roster expansion and length of the season, there are probably more chances for players to contribute seemingly out of nowhere, or with little to no recognition than in any other sport.
Some may be younger players still trying to make a name for themselves. Others may be quality veterans who happen to play in the shadow of some of the game's superstars.
Some may even get overlooked because they play on poor teams or in small markets with little exposure.
Whatever the reason, there are plenty of quality baseball players out there that even some very knowledgeable fans don't know. With that said, here are the 30 best players that fans don't know in preparation for the 2012 season.