Michigan and Purdue have not met since at least the 2017 season.
Right now Michigan is 34–24 and Purdue is 37–20, with both waiting 151 days since a win.
Full schedules and drought counters: Michigan Wolverines and Purdue Boilermakers.
Michigan vs Illinois, Michigan vs Indiana, Michigan vs Iowa, Michigan vs Maryland, Michigan vs Michigan State, Michigan vs Minnesota, Michigan vs Nebraska, Michigan vs Northwestern, Michigan vs Ohio State, Michigan vs Oregon, Michigan vs Penn State, Michigan vs Rutgers, Michigan vs UCLA, Michigan vs USC, Michigan vs Washington.
Purdue vs Illinois, Purdue vs Indiana, Purdue vs Iowa, Purdue vs Maryland, Purdue vs Michigan State, Purdue vs Minnesota, Purdue vs Nebraska, Purdue vs Northwestern, Purdue vs Ohio State, Purdue vs Oregon, Purdue vs Penn State, Purdue vs Rutgers, Purdue vs UCLA, Purdue vs USC, Purdue vs Washington.