Missouri Tigers vs Illinois Fighting Illini ATS Prediction – 12/22/2025

The Braggin’ Rights rivalry returns Monday night as the Missouri Tigers and the Illinois Fighting Illini face off in the game of the night in college basketball. Both programs come into this neutral site battle in St. Louis with winning records and will look for a big win with conference play fast approaching. Illinois is the consensus favorite going into this contest and Missouri will try to pull off the upset in their home state. Before tip-off from St. Louis, you will find my Missouri vs Illinois prediction right here.

Our Missouri vs Illinois Pick

Game Snapshot

• Matchup: Missouri Tigers @ Illinois Fighting Illini
• Date & Time: Monday, December 22, 2025, 8:00 PM ET
• Venue: Enterprise Center, St. Louis, Missouri
• Broadcast: FS1

Key Storylines

This matchup represents not just another nonconference game but a long-standing rivalry that dates back over nine decades, shifting the tone for both squads as they build toward league play. Illinois is coming off a loss at Nebraska, but head coach Brad Underwood has used a 9-day break to emphasize defensive discipline and sustaining focus over a full 40 minutes. Those are areas Illinois will need to improve against Missouri’s dynamic offense.

Missouri enters at 10-2 with a strong offensive track record, led by junior forward Mark Mitchell and scoring threats like Jacob Crews and Kassius Robertson. Their ability to execute in transition and finish at the rim has been a strength, but tougher defenses such as Illinois’ could limit those opportunities. Missouri has won two games in a row and has responded nicely from their losses to Notre Dame and Kansas to start the month of December.

Head-to-Head & Betting Trends

• Illinois holds a 35-20 all-time record against Missouri.
• The Illini have won two straight games in this series and three of the last four.
• The Fighting Illini are 6-5 against the spread this season.
• Missouri is 5-7 against the spread so far this year.
• The under has cashed in 7 of the 11 games Illinois has taken part in.
• The Tigers have gone under the total in 7 of their first 12 outings.

Missouri vs Illinois Model Projection

Final Thoughts

Jay Sanin

Jay Sanin is the GM and Head of Sports at ATS.io. He has been writing about sports gambling since 2013, handicapping tens of thousands of sporting events. He plays sides and totals aggressively across most sports and is more selective in player prop markets. He does his own modeling across most sports, and his family is jealous of how much time he spends on his precious spreadsheets.