N'afọ 2001, Ronaldinho bịanyere aka n'akwụkwọ nkwekọrịta afọ ise na klọb French Paris Saint-Germain na mbufe nde € 5. Mgbe ọ bịarutere na Paris, e nyere Ronaldinho nọmba 21 ma tinye ya na akara nke gụnyere onye Brazil ibe ya Aloísio, Jay-Jay Okocha na onye agha Nicolas Anelka.Ronaldinho mere egwuregwu mbụ ya na klọb na 4 August 2001, na-apụta dị ka onye nnọchi anya na 1 <unk> 1 draw na Auxerre. Ronaldinho nọrọ ọtụtụ n'ime ọnwa ole na ole mbụ nke oge 2001-02 gbanwere n'etiti bench na ọrụ onye isi. O nyere goolu mbụ ya maka klọb na 13 Ọktoba na 2 <unk> 2 draw megide Lyon, na-agbanwe ntaramahụhụ na nkeji 79th mgbe ọ bịarutere na nkeji iri. Mgbe ọ laghachiri na ezumike oge oyi, Ronaldinho gara na egwuregwu egwuregwu egwuregwu anọ na-agbanwe agbanwe, na-etinye aka na egwuregwu nke gụnyere onye Brazil ibe ya Aloísio, Jay-Jay Okocha na onye agha Nicolas Anelka.
Afọ 2001