Each NFL draft, teams have a chance to completely turn their luck around.
Think of the dismal Cincinnati Bengals, who in one draft upgraded both their quarterback and their wide receiver, becoming a possible perennial contender. Andy Dalton might have emerged as the most successful quarterback/player overall from his draft class and is a strong contender for Rookie of the Year.
Other teams do not have the 180-degree success of the Bengals.
The Jaguars selected Blaine Gabbert early and have regressed overall. He may not last another season in the NFL. But then again, the whole team might just be overhauled.
For the Patriots, the 2011 draft was met with mixed reviews. Some saw their nine selections as genius, others viewed them as extremely foolish. Grades ranged from A+ to D.
The true success of the 2011 draft will be seen in the 2012 season, when the rookies have gotten some experience in and are fighting for their jobs against the new rookie class.
For now, we can only grade them on their first season.