Pakistan, Sept. 11 -- Cristiano Ronaldo will begin what could be his final attempt to win the Asian Champions League on Monday. The 41-year-old Portuguese forward has won five European Champions League titles during his career. However, the Asian title remains missing from his collection of major club honours. Ronaldo said in August that this could probably be his final year in football.

Read More: Cristiano Ronaldo ready for Asian Champions League action

Ronaldo's Al Nassr will enter the new campaign under former Tottenham manager Ange Postecoglou. The Riyadh club also has several internationally experienced attackers. Kingsley Coman, Sadio Mane and Portugal teammate Joao Felix strengthen their attacking options. Al Nassr currently sit...