Southwestern fell behind 12-1 after one quarter Wednesday and never recovered in a 36-23 loss to Hauser.
Five different Jets scored in the opening quarter. June Berkenstock led Hauser (7-1, 1-0 Mid-Hoosier Conference) with 14 points. Abby Manley finished with seven.
The Jets outscored the Spartans 24-22 over the final three quarters.
Bri Stevens and Sophie Allen each had five points to lead Southwestern (1-7, 0-2 MHC). Hayden Ramey finished with four.
Southwestern hosts Knightstown (5-3) Tuesday.
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