The Illinois Fighting Illini won 45-19 in a game that ended up much worse than it really looked for the Duke Blue Devils. Post-game, PFSN updated our simulations and will provide you with an updated look at playoff probabilities for Illinois after the team’s win in convincing fashion.
Illinois’ College Football Playoff Probabilities
Ahead of the win over Duke, Illinois was given a decent chance to reach the College Football Playoff, according to the PFSN College Football Playoff Meter. In addition to a 24.7% chance of making the postseason tournament, they were also considered a potential Big Ten title contender, with the win probabilities for a championship appearance, win, and College Football berth listed below.
- Big Ten Championship Game Appearance: 14.5%
- Big Ten Championship Title: 5.8%
- Make College Football Playoff: 24.7%
After beating the Blue Devils on Saturday afternoon, the probabilities changed somewhat for Illinois:
- Big Ten Championship Game Appearance: 17.6%
- Big Ten Championship Title: 7.5%
- Make College Football Playoff: 35.5%
In a conference like the Big Ten, winning against tough out-of-conference opponents is impressive and necessary. A win like this gives the Illini confidence to continue rolling when the conference games begin, and it also bolsters their playoff chances, as evidenced by the 10.8% increase in their playoff probability.
With games against the Indiana Hoosiers, USC Trojans, Ohio State Buckeyes, and Washington Huskies on the docket, a win like this should invigorate the team morale, but the film tells a different story. The film shows a team that won the mental battle but wasn’t as impressive physically, despite the impressive score.
Mentally, Illinois dominated. Duke made costly mistakes, like a penalty in the third quarter because of jersey numbers, that cost Manny Diaz’s team all of its momentum and a potential lead. After getting a third-down stop, the Blue Devils had two defenders with the same number on the field, and this led to Illinois getting the ball back, marching down, and taking a 21-13 lead.
Beyond silly penalties like this, Illinois also won the turnover battle five to nothing. According to TruMedia, teams are 66-2 in games with a turnover margin of five or better. The average point differential in said games is 24.1, eerily similar to the 26-point difference in this game. What gets worrisome for Illinois is everything outside of that.
Aside from the fact that the last two touchdowns came in garbage time, teams in this situation typically out-gain their opponent by an average of 22.8 yards. Illinois finished 19 yards less than Duke, including an abysmal 2.9 yards per rush. Throw in the fact that the Blue Devils also registered four sacks, and you can see why I am slightly worried about what Illinois can achieve moving forward.
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Since 2019, Big Ten teams have averaged about 5.3 penalties per game, fewer than all of the other Power Four conferences. When Illinois travels to Bloomington to play the Hoosiers or has to host the Buckeyes, it won’t get the benefit of five turnovers and 69 yards of penalties in high-impact moments.
As alarming as the overall statistics were, watching the highlights should still get you excited about what Luke Altmyer and this team can do. If they can figure out how to get this run game going and block just slightly better, Illinois has a chance to shock the Big Ten and potentially make a playoff run.
After all, head coach Bret Bielema took over for Illinois in 2021 and has since produced two winning seasons, including a bowl-game triumph last season that gave them their first 10-win season since 2001.
Over that time, Illinois ranks 53rd in overall win percentage and has a lot to look forward to in the rest of the 2025 season.
