[3] On 21 July 2014, Chrisantus signed a three-year contract with Turkish Süper Lig side Sivasspor after his two successful years at Las Palmas in Spain.

In January 2015, Chrisantus signed with Greek Side AEK Athens on an 18 months deal with an option of a further two years based on performance.

On 4 October 2015, in the sixth day of the Greek Super League with eight minutes left he netted his first and winning goal against Atromitos after converting from close range.

On 6 July 2016, Chrisantus signed a one-year deal with Reus Deportiu, returning to Spain two years after departing Las Palmas.

[9] Chrisantus has represented Nigeria at under-17 level, and was the top scorer at the 2007 FIFA U-17 World Cup in Korea with seven goals, and was awarded the adidas Silver Ball.