In 2007, after the arrival of Mano Menezes to Corinthians and the demand of time for players to form their defensive sector, William, who had worked and had credibility with Mano Menezes ended up being requested by the coach and hired by Corinthians. He was hired for a period of 6 months with possibility of extension, which was later made.
In 2007, following Mano Menezes' arrival at Corinthians and the necessity for players to establish their defensive unit, William, who had experience and credibility with Mano Menezes, was asked by the coach and employed by Corinthians. The contract initially lasted six months with an option for extension that was later realized.