For example , NFL commissioner Roger Goodell introduced a strengthened personal conduct policy in 2007 .
In recent years , both MLB and NFL league commissioners have introduced and adopted more stringent policies in an effort to reduce off - the - field misconduct .
NFL commissioner Roger Goodell introduced a strengthened personal conduct policy in 2007 .
In recent years , both MLB and NFL league commissioners have introduced and adopted more stringent policies in an effort to reduce off - the - field misconduct .