Notre Dame's and Purdue's kickers got a workout in the second quarter, as the Irish took a 13-3 halftime lead.
Notre Dame's David Ruffer hit field goals of 22 and 46 yards, and Purdue's Carson Wiggs connected on a 25-yarder.
Notre Dame and Purdue traded field goals in the second quarter.
Notre Dame's defense did OK with its first test of the season.
Purdue's scoring drive lasted 15-plays and took 7:19 off the clock as the Boilermakers used Robert Marve and Rob Henry at quarterback during the drive.
Henry was in as an option quarterback for four plays during the drive, accounting for 16 rushing yards. But Notre Dame was able to stop the running QB at the Irish's 15.
Dayne Crist and the offense hasn't really challenged Purdue in the first half. Crist has thrown for 123 yards completing 12 of 16 passes.
Notre Dame tight end Kyle Rudolph has a team-high four receptions for 32 yards, and TJ Jones has a team-high 36 receiving yards on two catches. Michael Floyd has been quiet, not catching his first pass until the second quarter. The catch was for 19 yards.