Police said so far this is the only report of people dropping pumpkins they've received and are investigating.
The Sycamores say the players do not live on campus.
The Bluebird nightclub in Bloomington called and offered Haupert a chance to perform.
Tyreke Key had 20 points for the Sycamores (15-16).
Indiana State had 13 team steals contributing to 20 Illinois State turnovers.
The Sycamores forced a season-high 21 turnovers.
Indiana State shot 54 percent from the field and outrebounded Evansville 41-28.
Last Saturday, Indiana State lost at home to Loyola-Chicago in front of a sellout crowd of 10,200.
Tyreke Key led Indiana State (10-8, 2-4) with 19 points and Jordan Barnes added 15.
Tyreke Key scored 14 points and Jordan Barnes added 10 for the Sycamores, which committed 22 turnovers.