Analysis of information sources in references of the Wikipedia article "Associated Press NFL Offensive Player of the Year Award" in English language version.
The award is typically given to the league's most productive quarterback or running back. Of the 41 times it has been given, it's been won 39 times by either a quarterback or running back. The exception is San Francisco 49ers wide receiver Jerry Rice, who won the award in both 1987 and 1993.