Many baseball pundits and fans look at the game a lot more analytically now.
We know that batting average and wins really don't mean all that much for players, and other stats are not only more important, but can show how a player will do later.
That is where the whole idea of Moneyball comes in.
General managers like Billy Beane try to find the right players to build with using advanced stats rather than the eye test, and from that evaluation will find many players to be overrated.
Here are 40 such players overrated by Beane, Moneyball or any sabermetrician. Stats are from Baseball-Reference, with the exception of FIP, which comes from Fangraphs.