QB battle leads spring storylines

Sooners have uncertainty at several positions following key departures

Updated: March 3, 2013, 11:40 PM ET
By Jake Trotter | SoonerNation
NORMAN, Okla. -- After back-to-back three-loss seasons, Bob Stoops shook things up by firing three assistants. That, combined with a regime change at quarterback, makes this spring perhaps the most intriguing -- and most critical -- of the Stoops era.

Below are the 10 biggest storylines of spring practice, which begins Saturday for the Sooners:

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