NABC Defensive Player of the Year was created in 1987.
NABC Player of the Year was created in 1975.
NABC Coach of the Year was created in 1959.
WNBA Defensive Player of the Year Award was created in 1997.
NBA Defensive Player of the Year Award was created in 1983.
NBA Development League Defensive Player of the Year Award was created in 2002.
USA Today High School Defensive Player of the Year was created in 1982.
The NFL Defensive Player of the Year for 2010 is Troy Polamalu.
I don't believe he was defensive player of the year before, although, he has been elected to the first team defensive players of the year multiple times.
2005
rodman
troy polamalu
2006