The Polar Bears improve to 3-0, while the Saints fall to 0-4.
ONU will will play Husson (Maine) Saturday at 9 pm EST in the second and final day of the tournament.
Freshman Kurtis Brown scored 11 points, senior Nate Lieb and junior Bart Hostetler each scored 10 points for the Polar Bears.
Junior Mike Hunter had a team-high seven rebounds to go along with his seven points for ONU.
"Our guys played hard, this was a good win for us," ONU's first-year head coach Jeff Coleman said.
Badenhop has led ONU in scoring in all three games this season and is averaging 26.0 ppg. Lieb is also in double figures, averaging 14.0 ppg.
ONU's 3-0 start is its best since the 2000-01 squad won its first three and seven of its first eight en route to an 18-8 record .
The Polar Bears will open the home portion of their schedule Saturday, Dec. 3, against Mount Union at the ONU Sports Center.