Collin Klein, QB

02/22/2013 - For the second-straight year, Collin Klein had more than 3,000 total yards as Kansas State's quarterback. But he's primarily a runner (he had more than 500 rushing attempts the past two years), and that's not something the NFL covets. But despite an eventual switch to a different position being in the cards, Klein has no intentions of swapping positions now, and he said Friday at the 2013 NFL Combine that he will "pursue every door" to try to remain a quarterback. "Until every one one of those (doors) are closed, I'm not considering anything else," Klein said.

Klein's got experience at wideout, tight end and can obviously run the ball. As a quarterback, there are questions about his ability to make every throw (or even almost every throw) at the NFL level. But Klein believes he has "the tools" to succeed despite the folks who doubt him.

"That's my heart, I know I have the tools to do that," Klein said. "I know I'll bring a lot to the team at that position." We're seeing a similar situation unfold in the NFL right now as Tim Tebow faces an offseason where he could very well struggle to find work. Klein's obviously different because he doesn't bring some of the off-field baggage that accompanies Tebow wherever he goes. But he does have similar on-field problems, and it's going to create an interesting -- and potentially difficult -- marketplace for him if he remains as a quarterback going forward. - Will Brinson, CBSSports.com

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Klein was a lightly-recruited quarterback out of Colorado and redshirted his first season in Manhattan. He moved to wide receiver as a freshman in 2009 (two starts) and recorded six catches for 38 yards and one touchdown.

Klein moved back to quarterback as a sophomore and started two games before taking over as the full-time starter in 2011. He started all 13 games and helped lead the team to 10 wins, recording 40 total touchdowns and 3,059 yards of total offense.

He led the Big 12 in rushes in 2011 season with 317, finishing with 67 more carries than the No. 2 rusher in the conference.

Klein was still a bit under the radar when he exploded onto the national scene in 2012, a season that was capped by being one of three finalists for the Heisman trophy. He led the Wildcats to their third conference championship in school history, and the first since 2003.

Klein rushed for 920 rushing yards and 23 touchdowns in 2012, second in school history to his 27 scores in 2011. He also completed 197 of 304 passes for 2,641 yards and 16 touchdowns and finished with the second-best completion percentage in school history at 64.8.

If you combined Tim Tebow and Ryan Tannehill, the result might be something similar to Klein, a former wide receiver who is basically a tailback in the Wildcat's zone-read offense.

Serious questions remain about his delivery, accuracy and ability to anticipate receivers uncovering.

Klein's ability as a passer isn't NFL quality right now, but he is the type of player who puts his teammates on his back and wills his team to victory. While extremely doubtful that he will be a first round pick like the aforementioned Tebow and Tannehill, Klein will have a pro future in some capacity.

STRENGTHS: Klein is a big athlete with a broad, thick frame to be a powerful north/south runner. He makes smart decisions with the football, working through his progressions while showing the mobility to move well within the pocket. He conveys impressive leadership and toughness on the field with a gamer mentality to play through injuries.

WEAKNESSES: Klein has a funky delivery with a hitch in his cocking motion, causing a longer delivery and inconsistent accuracy on passes downfield. Delivery and accuracy need word, as does his ability to throw to receivers as they make their breaks and turn toward the quarterback. Physical running style leaves him susceptible to injuries.

--Dane Brugler