Every now and then a player comes out of nowhere and puts up great numbers. It could be a rookie that puts together an outstanding year or it could be a veteran that has a defining season after being nothing more than average throughout their career.
For many of these players, success fades fast. Baseball has had a number of one-hit wonders that looked like they could have become household names, but then failed to produce.
This surprising success has helped some players land big contracts that they failed to live up to. Here is a look at some of the biggest one-hit wonders in MLB history.