Every day you have problems with your physical condition.
"At my age, you have to say that's enough". It's not as though you can go on until you're 50. I'll do something else. At 38-years-old, it is right to give space to the younger boys.
Pirlo has been playing for New York City FC since 2015.
The Italian may not have been a key feature at the highest level of club football in the past couple of years - since joining the NY club in 2015 - but his departure from sport remains saddening.More news: Iowa State QB Park takes leave from team for medical reasons
Pirlo also suggested that he has not made his mind up about what he will pursue next but believes he will be back in Italy after his contract runs out.
"Work with Conte? They say things, I have some ideas, but give me time to decide".
Pirlo played under the likes of Giovanni Trapattoni, Marcello Lippi and Cesare Prandelli during his stellar global career, but the man with 116 caps to his name picked out one former boss for special praise: Antonio Conte.
"If you get a call from a first team right away, it's hard to refuse".
The playmaker won two Serie A titles at the San Siro, as well as two UEFA Champions League trophies. After 25 years of football, I'm going to stay at home with my family. Milan won the league after he joined but Dalla Bona struggled to break into a team that included the likes of Pirlo, Clarence Seedorf, Rui Costa, Alberto Ambrosini and Gennaro Gattuso.