Notre Dame vs Purdue head-to-head: position-by-position star ratings, experience, and composite grades on CFB Matchup. They meet Week 4, Saturday, September 26, 2026.
The Breakdown
#5 Notre Dame 69, Purdue 61 — top-heavy Irish talent, and Purdue starts 13 of 22 portal additions.
When Notre Dame has the ball: Aneyas Williams at 4★ runs at a 3★ Purdue linebacker group averaging 2.3 years. Clear edge.
When Purdue has the ball: 3★ receivers face Notre Dame's 3.8★ secondary; the 3.4★ O-line meets a 4★ Irish D-line.
Swing factor: CJ Carr, 4★ and two years, versus Ryan Browne, 3★ with three. Talent against snaps.
X-factor: Late-September Saturday in Ross-Ade, Purdue's home crowd chasing the biggest scalp on its schedule.