It 's almost as unlikely as Sam Bradford 's new record for completion percentage by a QB in a season .
Who would 've thunk that the NFL 's most efficient rush offence would boast such an embarrassing rushing record by season 's end .
NFL 's almost as unlikely as Sam Bradford 's new record for completion percentage by a QB in a season .
Who would 've thunk that the NFL 's most efficient rush offence would boast such an embarrassing rushing record by season 's end .