For the most part, MLB MVPs have been players that have gone on to have outstanding careers. Many of them are Hall of Famers, while others were All-Stars many times in their careers.
However, there are some players that have taken home MVP awards when no one expected them to. These players had great seasons, but the rest of their careers were just decent at best.
Winning an MVP award is usually a good indicator of how a player's career will go, but that was not necessarily the case with the following players.