Brase made 7 of 9 shot attempts while Koon made 7 of 10 for the Tigers (4-6), who shot 54.2 percent (26 of 58) from the field. Hummer, who became just the second Princeton player to reach the 1,300 point and 600 rebound milestone, moved into the eighth place all-time on the Tigers' career-points list (1,323) and sixth place for career-field goals made (518).
Princeton led 27-21 at halftime and outscored Rider (6-6) 29-15 over the first 14 minutes of the second half to take a 56-36 lead with 5:57 remaining. Hummer scored nine points during the run, Koon had eight and Brase had six.
Anthony Myles had 18 for Rider and Jonathan Thompson 14 but the Broncs shot just 36.4 percent (16-for-44).
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Forward Trevon Bluiett has withdrawn from consideration from the NBA draft and will return to Xavier for his junior season.