Messi, 28, has been hugely impressed by the goal scoring prowess of the former Sunderland and Al Ain hitman.
The Barcelona star, perhaps the greatest player on the planet at the moment has passed a massive vote of confidence in the Shanghai SIPG attacker for his unrivaled dedication to both club and country.
“I Like his hard work and dedication to his national team and his clubs. I watch him play several times and I really like the goal he scored against Germany in Brazil,” the five-time Ballon d'or winner told 90 minutes Extra.
“I might say that, he is one of the greatest goal scorers I have ever seen.”
Gyan, an iconic Ghanaian figure,remains the country's greatest ever striker with 48 goals in over 90 appearances.
He is also Africa's leading scorer at the World Cup with six goals, surpassing the long held record by Cameroonian legend Roger Milla.
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