Leubecker scored 7 goals on 9 shots for the Terps.
The Terps take on Michigan twice this weekend.
Colson forced a career-high four turnovers against Penn State, her first game back since suffering an ACL tear in June 2019.
The sisters combined for six goals in the Terps' 15-13 loss to No. 21 Penn State Sunday.
The Terps couldn't recover from an 8-4 deficit at the half.
“Even though [this season] is different … we have the chance to do it, so we’re going to make the most of it."
The Terps will play 12 games in a conference-only schedule.
Brindi Griffin, Grace Griffin and Lizzie Colson all made returns to the preseason all-American list, Inside Lacrosse announced.
All three are ranked among Inside Lacrosse's top 40 recruits in their class.
Griffin was the team's leading goal scorer and preseason Big Ten Player of the Year in 2020.