sentences:  His performance that year was stellar.When compared to all other passers that have attempted 100 passes in a single season, O'Connell has the highest Passing Yards per Attempt average ever, a staggering 11.17.This is a great achievement when considering that in the 90+ years of NFL football, only three other quarterbacks have managed to attain a Passing Yards per Attempt average of over 10.0 for a season.