Katelyn Kemmetmueller struck out 15 batters in leading unbeaten Rogers over Big Lake 4-0 on Tuesday.
The sophomore righthander allowed only two hits and walked none. She also went 2-for-3 with a triple and drove home a run.
Emily Hanford was 2-for-3 and drove home two runs for Rogers.
Big Lake hurler Kalli Poffen took the loss, giving up just three hits and one walk, striking out four.
Rogers, 3-0 in the Mississippi 8 and 4-0 overall, will play at Buffalo on Wednesday.