Seven worst career interception ratios per attempts by All-American quarterbacks from 1970-2002:
Steve Davis, Oklahoma...1 for every 12 attempts
John Sciarra, UCLA...1 for every 14
Jack Mildren, Oklahoma...1 for every 14
Joe Theismann, Notre Dame...1 for every 15
Lynn Dickey, Kansas State...1 for every 15
Todd Blackledge, Penn State...1 for every 16
Dan Marino, Pittsburgh...1 for every 16
Source: World Features Syndicate