 
<translate> Iji zaa ajụjụ a dị n'elu, ahịrịokwu dị mkpa bụ: Association football bụ ọzụzụ kachasị ewu ewu na egwuregwu ndị ọzọ na-egwu ma ndị ọkachamara ma ndị ntụrụndụ egwuregwu, ịgba ọsọ ụgbọ ala, basketball, ịkụ ọkpọ, ịgba ígwè, hockey hockey, ịkụ azụ, golf, bọl aka, ugwu ugwu, padel tennis, polo, hockey roller, ịkwọ ụgbọ mmiri, rugby union, ịkwọ ụgbọ mmiri, ịgba ọsọ, igwu mmiri, tennis na volleyball. Ya mere, azịza ikpeazụ bụ Association football. <eng> To answer the above question, the relevant sentence is: Association football is the most popular discipline and other sports played both professionally and recreatively athletics, auto racing, basketball, boxing, cycling, field hockey, fishing, golf, handball, mountaineering, padel tennis, polo, roller hockey, rowing, rugby union, sailing, skiing, swimming, tennis and volleyball.
So, the final answer is Association football. 