Remember, the kid barely took a snap from under center in college, then got thrown into the fire with a lousy team as a rookie. Having Trent Dilfer as a backup/mentor will pay huge dividends for Reggie Bush's old high school teammate.
2 of 10Jeff Gross/Getty Images
Jay Cutler, Broncos
If he's good enough for Mike Shanahan, he's good enough for us.
3 of 10David Bergman/SI
Bruce Gradkowski, Buccaneers
Based on his first two starts, we know this much: The kid can throw, and he definitely isn't scared.
4 of 10Jonathan Daniel/Getty Images
Aaron Rodgers, Packers
He got no love on draft day -- and hasn't gotten much since from Brett Favre -- but someday soon the Packers will be his, and he'll be as motivated as any player in football to show he belongs.
5 of 10Bob Rosato/SI
Matt, Schaub, Falcons
His rookie deal is up after this season, and somebody is going to have to pay. If Michael Vick's play remains choppy, will it be the Falcons?
6 of 10Gary Bogdon/SI
Vince Young, Titans
He has the biggest upside of anyone in the game. He'll take his lumps in the meantime, but his poise and leadership skills will see him through.
7 of 10John W. McDonough/SI
Matt Leinart, Cardinals
He has been playing big in big games since his sophomore year of college, so it's not surprising he already plays like he belongs in the pros.
8 of 10John W. McDonough/SI
Eli Manning, Giants
When he is good, he is scary, scary good. But when he is bad, the whole operation looks shaky.
9 of 10Peter Read Miller/SI
Philip Rivers, Chargers
It's still early, but all signs point to an impressive run at the helm of a dangerous offense. His decision-making and competitiveness already stand out.
10 of 10David Bergman/SI
Ben Roethlisberger, Steelers
His recent struggles notwithstanding, the big guy has a Super Bowl ring and a sickeningly high winning percentage -- and he hasn't even grown into his talent.
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