Summers went 8-of-11 from the field and Draymond Green contributed 10 points, nine rebounds and six assists for the Spartans (5-1), who took their 50th straight home win over a non-conference opponent.
Michigan State will now prepare for a looming Wednesday match-up with top-ranked Duke when it participates in the ACC-Big Ten Challenge.
The Golden Eagles (0-3) were led by Zach Bailey and Kevin Murphy, both of whom scored 11 points.
Police: Sword-wielding man demanded free tacos
Puzzle-maker slips 'Murdoch Is Evil' into Rupert Murdoch's Sunday Telegraph