Taylor Okada drove in the game winning run in extra innings to salvage a 1-1 set against the Fighting Illini.
Jaeda McFarland scored two runs to give the Terps a decisive victory in the second game of the set.
The Terps sport a slew of new faces and are looking to build off a pandemic-shortened 12-11 campaign.
“As devastating as it is,” Montgomery said, “I think it's about what's next.”
Schlotterbeck is the first player in program history to earn Big Ten Freshman of the Week honors.
The Terps beat Ball State, Tulsa, Florida International and Samford.
Kerr recorded five hits at the Sun Devil Classic, including a critical two-run double vs. Wisconsin.
It was the Terps' second loss to the Sun Devils in the tournament.
Anna Kufta clubbed a two-run homer against the Thunderbirds.
The Terps are entering on the back of three wins in four games last weekend.