Could easily argue that Iowa should be higher. No one has better wins than Iowa does and has 0 bad losses.
1 OU (6 RPI top 50 wins, only 1 on the road)
2 UNC (4 RPI top 50 wins, loss to RPI 143 UNI)
3 'Nova (4 RPI top 50 wins)
4 Maryland (1 RPI top 50 win)
5 Iowa (7 RPI top 50 wins, 2 on the road and 1 neutral site)
6 Xavier (6 RPI top 50 wins, loss to RPI 73 G'town)
7 Kansas (5 RPI top 50 wins, Got boat raced by RPI 129 Ok State)
8 Texas AM (5 RPI top 50 wins, losses to RPI 70 ASU and 82 Arkansas)
9 Virginia (8 RPI top 50 wins, losses to RPI 53 GWU, 66 Ga Tech, and 116 Va Tech)
10 MSU (5 RPI top 50 wins, losses to RPI 61 Wisconsin and 154 Nebraska)