The Gophers dominated the field events with five wins while adding two on the track.
The Maroon & Gold posted three of the top-four heptathlon finishes over the two-day meet with newcomer Teddy Frid leading the Gophers with a runner-up finish at 4,438 points.
Trotter and Tollefson earned back-to-back victories for Minnesota at the Sanford-Jackrabbit Athletic Complex with Trotter claiming the 600-meter title and Tollefson following up with a win in the 60-meter hurdles.
The Gophers closed out the 2017 home slate on Friday night with the Snowshoe Open at the University of Minnesota Fieldhouse.
Through four events, Jacob Buller is in third with 2,785 points while Ben Holcomb is in fifth with 2,582 points and John Uchytil is in sixth with 2,446 points.
Big Ten Indoor Championships
2016 | FRESHMAN SEASON
Indoor: Won the long jump title at the St. Thomas Invite with a mark of 6.76 meters (22-02.25 ft.).
Three 'U' Alums Set for USATF Championships
6/20/2018 - M. Track & Field
Representing the Maroon & Gold are Sean Donnelly in the hammer throw, Harun Abda in the 800 meters and Hassan Mead in the 1,500 meters.
Obsa Ali Captures NCAA Steeplechase Crown
6/8/2018 - M. Track & Field
Ali claimed the program's first national championship in the steeplechase by breaking his own school record at 8:32.23 on Friday night at Hayward Field.
Ali Advances to NCAA Steeplechase Final
6/6/2018 - M. Track & Field
Competing at historic Hayward Field at the University of Oregon, Ali led the semifinal field with a time of 8:39.17 on Wednesday to advance to Friday's final at 7:54 p.m. CT.