 Having lost the enjoyment from NCAA basketball and wanting to earn money , he left college and sold the story named " Why I Am Leaving College " to Look magazine for $ 10 @,@ 000 , a large sum when NBA players earned $ 9 @,@ 000 in a whole season . In two seasons at Kansas , Chamberlain averaged 29 @.@ 9 points and 18 @.@ 3 rebounds per game while totaling 1 @,@ 433 points and 877 rebounds , and led Kansas to one Big Seven championship . By the time Chamberlain was 21 , he had already been featured in Time , Life , Look , and Newsweek magazines , even before he turned professional . 
