Not every recruiting class that is full of highly rated recruits fulfills their destiny or lives up to their hype. Different factors abound as to why recruiting classes don't always work out.
Whether incoming players run into off-the-field problems, academic problems or have to endure bad coaching or a coaching change that brings a shift in system philosophies—all these obstacles could render a recruiting class irrelevant.
Just because your school has on paper a great class doesn't mean much. Some of these 2012 classes will be disappointing when we look back in a few years.
Here are five that could have us scratching our heads.