The Finlandia men split on the road at Marian and the Lion women lost their lone game at Wisconsin-Superior.
Friday, the FU men used a Ryan Sullivan hat trick to take a 7-4 win over the Sabres.
Joe Welgos, Matt Lindgren, Josh Paquette and Joe Beaudry also tallied to back Lukas Alberer's 26-save outing in net.
That same night, the women were blanked, 2-0, by the Yellowjackets on the road.
Saturday, Finlandia lost 4-3 in overtime.
Sullivan, Paquette and Keith Johnstone scored for the Lions and Joe Juntilla stopped 29 shots.
The men (11-6-0, 9-3-0 MCHA) host Northland this weekend while the women (4-11-2, 0-6-1 NCHA) host Wisconsin-River Falls.