By Nathan Ridley New documents have revealed that Liverpool star Mohamed Salah has made a huge profit through his commercial company. Salah, 31, already earns nearly £400,000 per week after signing a lucrative new contract with Liverpool in 2022, justified by being one of the Premier League’s best players since his arrival from Italian side Roma in 2017. But it’s not just with the ball at his feet where the Egyptian winger makes his money, as his off-field earnings contribute to his wealth, too. According to their latest financial document which is dated June 30, 2023, ‘Salah UK Commercial’ to…