A schedule can make or break a season. Ask any coach.

Purdue's 2021 slate is filled with challenges and opportunities. This series is a breakdown of what's ahead for the Boilermakers this fall.

• Toughest non-conference game: at Notre Dame, Sept. 18

• Toughest conference game: at Ohio State, Nov. 13

• Who they don't play

• Easiest game

• Toughest stretch

• Best chance to be upset

• Best chance to pull an upset

Next up: Who Purdue doesn't play.