Ace Indian striker Sunil Chhetri is undoubtedly the most outstanding footballer to have ever been born in the country. He has scored the most goals in history by any Indian footballer. Aged 37, he is at the twilight phase of his career and could call it a day. However, given his consistent performances, he has shown no slowing down signs and could continue serving the sport for a few more years. However, fans are curious as to when would the big day arrive. Hinting at the same, Chhetri has delivered a cryptic warning and has stated that he could retire after any game now, implying that any game he plays in the coming days could be his last.