Nigerian-born goalkeeper, Arthur Okonkwo has confirmed he has left Arsenal to join Wrexham. Okonkwo made this known in a statement via his Instagram account on Saturday. The 22-year-old spent last season on loan at Wrexham. He played a key role in Wrexham securing promotion to League One. “The time has come to say goodbye to Arsenal,” Okonkwo said. “I’ve made friends for life and owe so much to all the coaches I’ve worked with, teammates I have played with, fans who have supported me and everyone involved with the club for helping me grow and develop into the person and player I am today. “Ars…