Purdue at Illinois Final Score: Purdue Win 24-17
Final: Purdue Boilermakers 24, Illinois Fighting Illini 17, Saturday 3 October at Gies Memorial Stadium.
Our call lost. Before the game this page said: “Our number has Illinois by 14.2. At -10, take Illinois.” Illinois -10 lost: Illinois lost by 7.
What decided it
Purdue won the first quarter by 3. Purdue turned the ball over 0 times to Illinois’s 1, and gained 345 yards to 345.
| Team | Q1 | Q2 | Q3 | Q4 | Final |
|---|---|---|---|---|---|
| Purdue Boilermakers | 3 | 10 | 3 | 8 | 24 |
| Illinois Fighting Illini | 0 | 7 | 0 | 10 | 17 |
The last DraftKings line ESPN holds for the game is ILL -9.5, with a total of 62.5. Illinois did not cover as the favourite. The 41 points went under the total.
What comes next
Purdue plays next at the Penn State Nittany Lions on Saturday 31 October. Illinois plays next at the Maryland Terrapins on Saturday 31 October.
The prediction, as published before the game
Everything below is the page as it stood before the game, kept unchanged as the record. It was titled “Purdue at Illinois Best Pick, Prediction and Odds”.
Our number has Illinois by 14.2. At -10, take Illinois.
Illinois is a 10-point favourite over Purdue at DraftKings, where it opened. Our number has Illinois winning by 14.2. The gap is 4.2 points, and the threshold for a bet here is 3.
How the number is built
The method is one clause: our number is half the difference between the home team’s average margin at home and the visitor’s average margin on the road, against FBS teams only, 2025 and 2026 together.
Illinois is 6-2 at home against FBS teams over that span, winning by 10.5 points a game across 8 games. Purdue is 0-6 on the road against FBS teams, losing by 17.8 a game across 6 games. The difference is 28.3 points. Half of it is 14.2.
That leaves 1.2 points of room above the threshold. It is a bet, and a thin one.
Purdue on the road
Purdue has lost all 6 of its road games against FBS teams in the span. Four were by 14 or more: 56-30 at Notre Dame, 19-0 at Northwestern, 49-13 at Washington in 2025, and 52-38 at UCLA on 19 September.
The two close ones were 27-20 at Minnesota and 21-16 at Michigan, both in 2025. The spread asks for a Purdue loss by 11 or more, and 4 of the 6 went that way.
Illinois at home
Illinois won by 11 or more in 4 of its 8 home games against FBS teams: 38-0 over Western Michigan, 35-13 over Rutgers, 24-6 over Maryland and 42-23 over UAB on 3 September.
The other four were a 34-32 win over USC, a 20-13 win over Northwestern, a 34-16 loss to Ohio State in 2025, and a 31-27 loss to Duke on 12 September. The Illinois half of the number is less one-sided than Purdue’s.
2026 so far
Illinois is 2-2 and 0-1 in the Big Ten. It beat UAB 42-23, lost 31-27 to Duke, beat Southern Illinois 48-10, a team outside the FBS, then lost 42-19 at Ohio State last Saturday. Against FBS teams it has scored 29.3 a game and allowed 32.0.
Purdue is 1-3 and 0-1 in the Big Ten, with three straight losses. It beat Indiana State 44-19, a team outside the FBS, lost 38-36 to Wake Forest and 52-38 at UCLA, then lost 49-10 to Notre Dame. Against FBS teams it has scored 28.0 and allowed 46.3.
Last season
Illinois went 9-4 in 2025, won by 5.8 a game, and went 6-1 at home. It closed with a 30-28 win over Tennessee on 30 December. Purdue went 2-10, lost by 13.1 a game, and went 0-5 on the road.
The teams met on 4 October 2025 at Purdue. Illinois won 43-27.
The price
The line opened at Illinois -10 and has not moved, read 28 September 2026 at 17:02 UTC at DraftKings via ESPN. Illinois -10 is priced at -108, Purdue +10 at -112.
The moneyline has Illinois at -375 and Purdue at +295, from -410 and +320 at the open. With the margin removed, that prices Illinois to win 75.7% of the time. ESPN’s FPI has Illinois at 81.1%.
Pick: Illinois -10
Illinois -10 at -108. The gap is 4.2 points against a 3-point threshold.
It rests on 14 games, split 8 and 6. Purdue’s six road losses are the stronger half of the evidence.
What changes it
The bet stands up to Illinois -11, where the gap is 3.2. At -11.5 it is 2.7, and the call becomes a pass. One and a half points of movement toward Illinois ends it.
Availability is the other thing, and this page does not state it. Check the injury report before you bet.
The total
The total opened at 60.5 and has not moved, over -108 and under -112.
Against FBS teams across 2025 and 2026, Purdue’s games went over 60.5 in 5 of 14, and Illinois’s in 7 of 15. This season disagrees: each team’s three FBS games went over 60.5 twice. Purdue’s produced 74, 90 and 59 points; Illinois’s produced 65, 58 and 61.
Pass on the total at 60.5. The two seasons point in opposite directions.
Schedules and results for both teams: Purdue Boilermakers and Illinois Fighting Illini. Every game this week is on our college football predictions page.
Purdue at Illinois, Saturday 3 October, 4:15 PM ET, Gies Memorial Stadium, Champaign. Prices: DraftKings via ESPN, read 28 September 2026, 17:02 UTC. Results: ESPN, read 28 September 2026. Nothing here states who is available.