Oklahoma Baptist and Oklahoma City both have 15-1 records.
Shorter (Ga.) took over the top spot in the men's poll, while Freed-Hardeman (Tenn.) moved to No. 1 in the women's rankings.
Southern Nazarene, which trimmed Oklahoma Baptist 69-67 on Saturday, actually dropped two spots to No. 14 in the men's poll. The victory over Oklahoma Baptist was not good enough to negate a 79-68 loss the Crimson Storm (13-4) suffered Thursday at below-.500 St. Gregory's.
Lubbock Christian (12-3) moved up three spots to No. 9 in the women's poll after its rout of Oklahoma City.
Other Oklahoma teams in the NAIA rankings include Rogers State, which is No. 5 in the men's poll. The women's rankings include unbeaten Langston (No. 5) and Southern Nazarene (No. 15).