The Battle for the Shillelagh Trophy is an American college football rivalry between the Notre Dame Fighting Irish football team of the University of Notre Dame and Purdue Boilermakers football of Purdue University.

The Shillelagh Trophy is a trophy exchanged between Notre Dame and Purdue, being held by the winner of the game.

The two in-state rivals first played each other in 1896.

[2] The trophy, first presented in 1957, is a shillelagh donated by Joe McLaughlin, a merchant seaman and a Fighting Irish supporter who brought it from Ireland.

The rivalry resumed in 2021 and will be an annual game from 2024 until at least 2028.