Johnson registered an average of 7.6 points, 0.2 assists, and 3.0 rebounds per game through 20 appearances and eight starts.
Nemeth led the blue and white to its first three-game sweep over Indiana since 1999.
"Ash has taught me so much. I've always been a fan of her game."
The Lady Lions will play Mississippi State in the quarterfinals of the WBIT after winning two close games.
The Nittany Lions let 59 up runs over their last seven games.
Penn State boasts the longest winning streak in the country with seven straight victories since week one.