Didn't we recruit a Miami area RB who was four or five star? Ended up third string...Jones something? Then there was that other RB we didn't take who was supposed to be even better, Bobby something. I can't remember names anymore.
The Bobby kid had academic or other problems, I think. Ended up at NC State then left.
Another kid who was somewhat hyped, especially by Max Emfinger, was Ellery Roberts. I was talking to Max during Roberts' freshman year and lamented that we had no quality at RB. He said, "yes you do, you got Ellery Roberts." I said, "No, he's a bust." I knew from talking to some friends that he was a disappointment in fall practice. They knew he couldn't play for us. He transferred to Stanford, and that was when Stanford did not have the quality they've had more recently. That same class we got another RB from New Jersey who ended up transferring to Rutgers, and we had a complete unknown named Steve McGuire who ended up FSU's nightmare two seasons in a row.
Another bigtime bust was Bryan Fortay. Didn't someone mention him? Or am I going back too far in time.
EDIT: Oops, sorry. Just went back to OP and realized the time frame was since 2000. Just goes to show--I've been following recruiting so long that I've seen so many elite recruits either bust or turn out ordinary, and some unknown kids turn out to be superstars that I still don't get too excited over stars and rankings. It's harder to fool or be under the radar of the recruiting services now, because there is so much scrutiny, so much in resources to covering this stuff, and so many camps, etc., that there are fewer sleepers and fewer that are overrated. Still, it happens.
