CJ Carr and No. 5 Notre Dame travel to Lambeau Field to take on Wisconsin in Week 1 for the Irish's Shamrock Series. Follow for live updates and more.

No. 4 Notre Dame arrives at Lambeau Field on Sunday carrying national championship expectations. Wisconsin shows up shouldering something heavier: pressure to improve under Luke Fickell. This season-opening matchup offers an immediate measuring stick for an Irish team ranked inside the preseason top five and expected to contend deep into December.

This year's Irish often won't be judged by the opponent right in front of them but by what their performance might mean for January.