in our discussion about football, it's fascinating to look past the surface level and delve into the interpretation of strategies used by teams earlier in the season. interestingly, if we go back to the beginning of the league's foundation, coaches and managers have employed tactics that remain undisclosed to the public eye, effectively changing the outcome of many games while keeping these strategies hidden. this raises the question: how often have teams used these undisclosed tactics to gain an unfair advantage, and what impact does this have on the integrity of the sport?