It's true, this list is overweight on wide receivers. Why? It's because the very best offensive prospects in this draft are offensive tackles and quarterbacks. After that, there are a couple abnormally good offensive guards (David DeCastro and Cordy Glenn), and one excellent center (Peter Konz). There are only two great running backs, Trent Richardson and Lamar Miller, and Richardson is the kind of once-in-a-decade talent that will transcend the devaluation of the position.
At wide receiver there are four excellent—but not truly elite—prospects in this draft: Justin Blackmon, Michael Floyd, Kendall Wright, and Alshon Jeffrey. All four could fall and of them Jeffery is the most likely to tumble down draft boards.
Jeffery's best assets are his physical attributes: he is an enormous 6'4" specimen who will be able to out-muscle any defensive back. But his production has trailed his physical promise and he lacks both top notch burst and downfield speed. Combined with a reputation for sometimes lackluster effort, he could fall out of the first round despite his talent.