The goalkeeper who won four FA Cups with Arsenal is discussing the difference between Kepa Arrizabalaga and Emiliano Martinez, namely how one broke the golden rule while the other didn't.
'If you don't stop the ball when you should do,' explains David Seaman, the Arsenal and England icon speaking to Sportsmail ahead of his former club's final against Chelsea today.
'That's what you live and die by. If you start making mistakes, then you're going to get left out.'
Simple then.