Benilde-St. Margaret's, seeded No. 7, upset second-seed Cooper 72-64 in the Class 3A, Section 6 boys' basketball quarterfinals Tuesday night.
The Red Knights were boosted by a balanced scoring attack — five players scored in double figures. Nick Peterson and Derric Standifer led the way with 15 points apiece.
Quincy Snoddy led the Hawks with 12 points. Cam Vaughn, Cooper's leading scorer during the regular season, was held to 10 points.
Benilde-St. Margaret's will play at No. 3 Waconia at 7 p.m. Saturday.
In other section quarterfinals:
Waconia 77, Orono 70: PJ Hayes scored 27 points to lead the Wildcats in Class 3A, Section 6. Ryan Biehn added 16. Blake O'Connor scored 16 for the Spartans.
Park of Cottage Grove 92, Apple Valley 61: The fourth-seeded Wolfpack beat the Eagles, last year's runner-up, in Class 4A, Section 3. Charlie Gorres had a game-high 28 points for Park of Cottage Grove. Domenik Block added 26. The Eagles graduated 10 players that appeared in at least 16 games last year. Mark Possis, the only current senior to get significant playing time last season, led Apple Valley with 15 points.
Eastview 92, Henry Sibley 48: Steven Crowl led the top-seeded Lightning with 29 points as it beat the Warriors in Class 4A, Section 3. Tate Machacek added 15. Malik Spearman scored 19 for Sibley.
Burnsville 65, Rosemount 63: Jacob Siwek scored 28 points for the Irish, but it wasn't enough to overcome the Blaze's balanced attack, which had four players in double digits in Class 4A, Section 4. Julian Quiroz-Hutchinson led Burnsville with 17 points.
Buffalo 85, Elk River 66: Aidan Bouman scored a game-high 29 points to lead the Bison in Class 4A, Section 8. Matthew Willert added 20. Devon Roberts had 14 for the Elks.
Moorhead 71, Rogers 59: Maleek Harden scored 23 points to lead the Spuds in Class 4A, Section 8. Quentin Hegg and Drew Hagen added 13 and 12 points, respectively. Garret VanEyll scored 16 points for the Royals.
Blaine 69, St. Francis 52: Jason Kaul and Tony Strand led the top-seeded Bengals with 19 and 17 points, respectively, in Class 4A, Section 7. Thomas Young had 12 points for the Saints.