Good crop of Ravens rookies

The Ravens have yet to play a preseason game, but their rookie class has been impressive in training camp. Top pick Michael Oher appears to be the real deal at right offensive tackle, even though he needs to improve his technique as far as pass blocking. Second-round pick Paul Kruger, the outside linebacker out of Utah, has outstanding quickness and a strong motor. He has gotten a lot more reps in practice than expected with Terrell Suggs out with a heel or ankle injury. Kruger could become a pass-rushing threat late in games or late in the season when the Ravens need a fresh pair of legs. Defensive coordinator Greg Mattison has hinted that Lardarius Webb, the third-round pick out of Nicholls State, could eventually become the team's shutdown cornerback in the future, and Davon Drew, the fifth-round pick out of East Carolina, has loads of potential at tight end. Two rookie free agents, Mississippi fullback Jason Cook and Georgia linebacker Dannell Ellerbe have stood out....