Posted by ESPN.com's Adam Rittenberg
1. Line is fine -- Despite losing three major contributors at defensive end, Penn State's reloading line appears to be fine for 2009. Sophomore end Jack Crawford looks like the team's next dominant pass-rusher. There's good depth at defensive tackle around All-America candidate Jared Odrick, and if Penn State can get a bit healthier at the end positions, it should be solid up front.
2. Daryll does it -- Daryll Clark was the Big Ten's top quarterback by a fairly wide margin in 2008, and the senior built on his first season as a starter with a strong offseason. Clark has put the coaches at ease about the direction of the offense. He's the undisputed leader of the unit, and more importantly, he wants to lead. There might not be a more valuable player in the Big Ten this fall.
3. Wideouts emerge -- Penn State loses three multiyear starters at receiver, but several players showed this spring that they're ready to step up. Both Graham Zug and Brett Brackett caught touchdowns in the spring game and look to build off of their experience from last year. Derek Moye and Chaz Powell provide variety in the wide receiving corps, and the tight end position should be featured more after Andrew Quarless performed well this spring.
1. Secondary -- The wide receivers' performance in the spring game came with a caveat, as they faced a secondary that needs a ton of work before Sept. 5. Penn State loses all four starters from a unit that wasn't all that good to begin with, and head coach Joe Paterno expressed major concerns about the defensive backs this spring. The Lions need A.J. Wallace to get healthy and Drew Astorino to set the tone in the back four.
2. Offensive line -- Right tackle Dennis Landolt is Penn State's only returning starter playing the position he played in 2008. There are a lot of new faces up front, and it will take time for the group to jell. Three spots are up for grabs this summer, and talented junior Stefen Wisniewski still needs time to adjust to the center spot.
3. Quarterback depth -- Despite Kevin Newsome's encouraging performance in the spring game, Penn State likely can't afford a major injury to Clark to keep its Big Ten title hopes alive. The Lions need continued development from both Newsome and Matt McGloin this summer so the coaches can feel comfortable turning things over if Clark goes down.