Trenton Gibson scored 18 points and added 11 rebounds for the Sycamores (1-0).
Davin Zeigler led the Phoenix (0-1) in scoring, finishing with 19 points and eight rebounds.
Both teams play on Saturday. Indiana State hosts Ball State while Green Bay travels to play Georgetown.
The Associated Press created this story using technology provided by Data Skrive and data from Sportradar.
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