Give a stream of consciousness and then the final answer. The practice of sports in Argentina is varied due to the population's diverse European origins and the mostly mild climate. 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. Argentine achievements can be found in team sports such as association football, basketball, field hockey and rugby union, and individual sports such as boxing, golf, tennis and rowing. Pato, the national sport, is not very popular.

Answer this question: what is the most famous sport in argentina?
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.