Stieber,a red-shirt sophomore at The Ohio State University and Monroeville graduate, won his second straight Division I 133-pound national crown Saturday.
He scored a 7-4 decision over Iowa's Tony Ramos in a battle of the top two seeds in the weight class.
Stieber improved to 5-0 against Ramos.
Stieber led 4-1 early.
Ramos recorded his first takedown against Stieber and was also going for back points, which wasn't called.
After a replay by the officials, the decision was upheld.
The match continued and Stieber claimed the win.