Behind a strong defensive effort, the Nittany Lions improved to 3-1.
The lone goal came as a result of a Penn State red card in the 79th minute.
Starck announced last week she would focus on her mental health and step away from the sport for the season.
Mack will play for the affiliate team of the Calgary Flames.
This nine-game slate is highlighted with a matchup against South Carolina.
Penn State's dominance left Maryland with barely any offense over the 90 minutes.