John Nasigba Jumbo (born 13 December 1988 in Port Harcourt) is a Nigerian footballer, who currently plays with Saudi First Division (second level) side Al-Diriyah. Elegance, ability and effectiveness are his assets. A technical player with pace and good combination of both legs effectively. A clinical finisher, cool-headed and able to assume several responsibilities in times of need. He is fast and has the ability to go past his marker. He is good in the air and also used to dealing with defenders that are stronger and more experienced than him. However, his main strength is his killer instinct in front of goal.