There's no shortage of storylines in spring practice for the Duke Blue Devils.

For example, questions swirl around both the offensive and defensive lines. Can the O-Line grow up in a hurry and be physically and mentally ready by the season? Can the defensive line stay healthy and will the young studs be instant impact players?

Perhaps the biggest question is at quarterback. It's kind of like the big elephant in the room that just can't be ignored.

Sophomores Zack Asack and Marcus Jones are doing battle this spring to earn the inside track at the starting job in the fall.

Devils Illustrated has been on hand at nearly every spring workout observing the two signal callers. As spring practice turns down the home stretch, here's our take on Asack and Jones.

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