With modern technology available to us, we can analyse football down to the finest detail.
Sometimes, however, it's not about tactical "Eureka!" moments or carefully planned strategies. It's about knowing you're capable and thinking you can win.
Two examples: Star-studded Manchester City finishing last in UEFA Champions League Group D after being outplayed by all three of the opposing teams, contrasted with Norwich City, who are now nine points clear of the relegation zone and unbeaten in eight.
City looked psychologically inferior against Borussia Dortmund and Real Madrid, yet Norwich are so confident that Bradley Johnson is hitting the bar with first-time reverse flicks.