Class 3A boys tournament basketball opened with the quarterfinal round Monday.
Class 3A Substate 2 Quarterfinals
Upper Bracket
MOC Floyd Valley 86, Storm Lake 58
Sioux Center 49, Spirit Lake 43
Lower Bracket
Humboldt 89, Perry 66
Algona 51, Spencer 49
Winners meet Thursday 2/23 in the Semis. Upper bracket semi hosted by MOC Floyd Valley. Lower bracket site to be determined