Tartan finished on a 16-5 run to upset Class 3A, No. 6 Mahtomedi 63-52 at Tartan High School.
The Zephyrs went on a 6-2 run to tie the game at 47-47 with just under 5:30 to play. The Titans then pulled away scoring the next eight points.
Antwan Kimmons of Tartan led all scorers with 27 points, including 18 in the second half. Joseph Kearney had 12 points and Dorian Singer 10 for the Titans.
J'Vonne Hadley led the Zephyrs with 15 points, including 10 in the second half. Devin Melzer had 14 points for the Zephyrs.
The Titans move into a tie atop the Metro East Conference with the Zephyrs.
Waconia 71, Orono 65: The Class 3A, No 9 Wildcats built a 19-point halftime lead and held off a second-half rally by the host Spartans. PJ Hayes led the Wildcats with 26 points, Sam Nelson had 14, Eric Groeneveld 11 and Ryan Biehn 10. Simon Rice led the Spartans with 24 points.
Bloomington Jefferson 63, Benilde-St. Margaret's 54: Manny Montgomery scored 22 points to lead the Jaguars past the host Red Knights. Isaiah Watts had 13 points and Hayden Holland had 11 for the Jaguars. Dylan Drees and Nick Peterson led Benilde-St. Margaret's with 19 points each.
Armstrong 60, Totino-Grace 51: Adam Biewen scored 24 points and Cole Priem 18 to lead the Falcons past the visiting Eagles. Eric Krieger led the Eagles with 20 points.