Nigeria goalkeeper, Maduka Okoye has said he is happy with the chance to train with former Arsenal and Barcelona star, Alexis Sanchez. Sanchez rejoined Serie A club, Udinese for a second stint this summer. The Chilean signed a two-year contract with the Zebras. The winger first played for Udinese between 2007 and 2011. Okoye said having Sanchez as a teammate is unbelievable. “I remember when he walked into the changing room the first time, I was sitting on my chair, I sat right at the beginning,” Okoye told Siempre Inter. “So I looked up, stood right up and shook his hand like I mean it is Ale…