The WNBA star's trial is underway and faces up to 10 years in prison if convicted.
Banchero has gotten 10% of wagers on Rookie of the Year but those bets make up less than 8% of the total money at BetMGM.
"I was fortunate enough to play tonight, and I never take that for granted. If I can play, I'm going to play," Holmgren said.