The former two-time All-Big Ten performer is playing professionally in Germany.
The USC Upstate transfer scored twice in Maryland’s 5-0 win over Hartford.
The Terps are on a five-game losing streak.
Williamson scored a hat trick in the Terps’ 5-4 win over Wisconsin on Friday.
The defensive midfielder has thrived after not starting the first four games.
The Terps are 5-0-1.
After an own-goal, Gordon Wild netted his first score of the season.
Harmon was a star recruit but had to transfer and overcome injury in order to end her college career on a high note.
The Badgers and Terps combined for 22 shots.