River Valley led the game after the first quarter, but A-A stormed back to take an 8-point lead at the half and stretched it further in the second half. Jalen Henningsen led the Warriors' scoring with 21 points and he was joined by Ryan Friedrich with 12, and Austin Glawe and Jaden Holton each scored 11.
Glawe led the Warriors on the boards with nine rebounds and Friedrich had eight. Christian Weiland dished out five assists, whle Holton, Henningsen and Neil Marshall each had three. Henningsen also stole seven passes and Marshall pilfered four.
Warrior coach Dean Lietz said, "This was a nice momentum-building game for us. River Valley has improved a lot from the first time we played them, but we gathered ourselves together in the 2nd quarter and started to play our game. We had 12 players hit the scoring column and got contributions from all 15 players."
Brody Riedemann scored 16 points, including 4 of 7 three-point attempts, to lead the Wolverines' scoring. Riedemann also stole six passes and grabbed five rebounds. Mark Petersen also scored 16 for RV, and Zak Gander tallied eight points and also grabbed a dozen rebounds for Coach Dean Norris' Wolverine squad that finished the regular season with a 1-18 mark.
River Valley takes on Akron-Westfield in Akron Thursday night in Class 1A District Tournament play.
Alta-Aurelia's win allowed the Warriors to finish the regular season at .500, with a final mark of 9-9.