Gary Harris helped out with 19 points, nine rebounds, five assists and five steals for the Spartans (11-1).
MSU also got big contributions from Adreian Payne (17 points, seven rebounds) and Denzel Valentine (10, 13, six assists) in racking up a fourth straight win.
The Privateers (3-5) were paced by Matt Derenbecker with 16 points.
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