After joining the Ajax academy in 1957 , Cruyff made his senior debut in 1964 .
It was n't until 1965 - 66 that Cruyff 's impact was felt within Dutch football .
After joining the Ajax academy in 1957 , Cruyff made his senior debut in 1964 , but it was n't until 1965 - 66 that his impact was felt within Dutch football .