I'd highlighted a good quote (on pages 158-159) from Coach Landry about how what he looked for in players changed as his teams improved:
"When I first started coaching I thought mostly of physical ability; quickness, agility, control, strength, and explosiveness.
Then, as we developed into a stronger team, character became more important. The character and competitiveness of a player become the more controlling factors.
When you reach a championship level, what separates you is basically the character on your team. If you have enough character, it'll usually pull you out of tough situations."