Cleveland Browns rookie running back Trent Richardson has been a bit of a disappointment thus far, but he certainly isn't the only high-profile rookie from the 2012 NFL draft class having issues this season.
Rookies selected in the first two rounds of any NFL draft are expected to be significant contributors one way or another in most cases.
However, each and every year there are those well-known prospects that have serious issues adapting to the NFL for a variety of different reasons and end up being massive disappointments in their rookie campaign.
None of this is to say the following players cannot turn things around and have successful NFL careers, but these eight players certainly haven't gotten off to a great start. Let's take a look.