First, there is not way he is NOT a 5 time TN state champion. He lived in TN while competing in TN and won the individual TN state championships 5 times. That argument is stupid since there are people who I wrestled with who are not from TN originally, and I went to a public school.
As far as DI v DII championships, I looked at the DI champions every year that Duncan won. My motivation was to see whether he would be a 5 time champ at DI, or if he could beat the DI champ each year. Granted this is an imperfect science and based purely on opinion so everyone has a right to disagree. But in two of Duncan's championships, namely the first two he would have wrestled one David Mang and one Demetrius Johnson, who were both DI Outstanding Wrestler that year if my memory is correct (I know Mang is and I'm 90% sure that Johnson was). The others I think Duncan would have or could have won.
Remember that these arguments have no real winner and is just my opinion. I expect many of you to disagree, however he has done alot for his family and school. I wish him, and all other TN wrestlers competing in NCAA or NAIA wrestling, luck in the NCAA's.