Capello was the manager of England’s international football team. In preparation for the 2010 World Cup, Capello enforced the rule of refraining to have sex before a match. This was put in place to ensure that the players were not distracted. Unfortunately, this did not help England progress and they were knocked out in the round of 16.
Gomez was Panama’s coach for their first-ever World Cup at the 2018 FIFA tournament in Russia. According to defender Harold Cummings, the team was placed with set rules to follow, one of which included no sex during the tournament. This move did not seem to benefit the Panama team in any way. Panama lost all three group games, conceding 11 goals.
The old team player for Mexico took on to be the manager of the team in 2014. Herrera banned engaging in sex and forbade the players to drink or consume red meat during the tournament.
“If a player cannot endure a month or 20 days without having intercourse, then you are not prepared to be a professional. Let’s play a World Cup, we’re not going to a party.”
Herrera tells Mexican newspaper Reforma
Unfortunately, these strict rules did not help Mexico progress through the round of 16.
Former Germany Coach, Joachim Low put his players up to a no-sex rule during the 2018 World Cup. Germany had secured the world cup in 2014 and unfortunately could not retain their victory in 2018. Low had made sure players were not having sexual intercourse whilst in Russia and the players were not even allowed to meet their families either.
The celebrated manager of Manchester City has put forth some strict rules for his team. Former Man City player Samir Nasri exposed to L’Equipe that one of Guardiola's first acts in charge was to ban players from having sex after midnight.