Gia Cooke took over handshake duties following Shyanne Sellers' emergence in the Terps' starting lineup.
The Terps used a second quarter in which they outscored the Hawkeyes 27-8 to take a commanding lead that they never surrendered.
The Terps narrowly avoided an upset to notch their fourth straight win.
The Terps outscored the Fighting Illini 31-8 in the third quarter, with 17 of their points coming of Illinois turnovers.
Northwestern missed all 13 of its shots from the field in the second quarter as the Terps held the Wildcats to just two points in the frame.
Miller averages 25.4 points per game against ranked teams this season.
The Terps blew out the Buckeyes just days after giving up 96 points to Iowa.
The rout was the Terps' largest margin of victory over a top-10 opponent in program history.
Clark scored 42 as the Terps gave up a season-high 96 points to the Hawkeyes.