Major League Baseball has seen tens of thousands of prospects over the years make it all the way through the minor league system to finally get their chance to star on the big stage.
Many of those young blue chippers fizzled out when they hit the big time. Others used their debut as a stepping stone for bigger things to come.
It's always been a crapshoot in terms of figuring out just how rookies will perform once they've finally reached their goal. It's hard to argue against this year's crop of young stars, however. From Mike Trout to Bryce Harper to Wade Miley to Yu Darvish, fans witnessed some outstanding rookie seasons in 2012.
But just how do they match up with other stellar performances from rookies in the past?
We will take a look at the greatest rookie season of all time for each MLB team. It's quite possible the 2012 class of rookies may be seen on this list.