Bjorklund was 8 of 8 from the field for the Bison (11-3, 2-0, Summit).
The Bison led 29-27 at halftime. At 4:56 in the second half, the Jackrabbits had a four-point lead (56-52). The Bison scored the next six points. Wolters gave the Jackrabbits a one point lead with 1:05 remaining, but Alexander made a layup, and the Bison hit two free throws.
The Bison shot 53.5 percent from the field for the game. The Jackrabbits shot 46 percent. The Jackrabbits had the rebounding edge 31-26.
Mike Krzyzewski says he has good reason to be excited for next season thanks to a combination of Duke's incoming freshmen and a core of experienced upperclassmen.
Georgia guard Juwan Parker has been awarded a medical redshirt, leaving him with two years of eligibility, after missing the 2015-16 season with a partially torn Achilles tendon.
Forward Trevon Bluiett has withdrawn from consideration from the NBA draft and will return to Xavier for his junior season.