 Complete the following phrase:  The final was contested in two-legged home-and-away format between Saudi Arabian team Al-Hilal and Japanese team Urawa Red Diamonds. This was the first AFC Champions League final involving a Japanese club since Gamba Osaka in 2008. The first leg was hosted by Al-Hilal at the King Fahd International Stadium in Riyadh on 18 November 2017, while the second leg was hosted by Urawa Red Diamonds at the Saitama Stadium 2002 in Saitama on 25 November 2017. The winner earned the right to represent the AFC at the 