Passing-efficiency ratings are complicated, and compounding the complexity is the fact that the NCAA
formula differs from that of the NFL
. Both weigh four factors—completion percentage, yards per attempt, touchdown percentage and interception percentage—with the NFL
placing slightly more importance on the last two numbers. Here's how the NCAA
's top 10 quarterbacks would rate using the pro system. (Through Sunday, San Francisco
's Steve Young
was the NFL
's highest-rated passer this season, at 105.2).
—B.J. SCHECTER