For every Andrew Luck story in fantasy football, there is a Ryan Leaf. Or a Javon Walker. (Remember him as a Raider? Neither do we.)
The list goes on and on when it comes to highly touted players who don't perform to expectations -- despite preseason hype and immense potential. Whether it be a change in scenery, injuries -- or rookies having trouble adapting to the game -- there are already a few potential busts in the making for 2013.
Sometimes talent is not enough -- without the right supporting cast or environment. It is a continuing theme as we kick off the list:
Colin Kaepernick (QB - San Francisco 49ers): From backup quarterback to ESPN Magazine Body Issue coverboy, Kaepernick's rise to fame last season was nothing short of spectacular, considering he garnered a 98.3 quarterback rating en route to leading the Niners to the Super Bowl.