Yokohama F Marinos lost the Asian Champions League final 6-3 on aggregate to Al Ain on Saturday after the first-time finalists went down 5-1 in the return leg in the United Arab Emirates with a man sent off. The J-League side held a 2-1 lead from the first leg a week earlier and the match at Hazza Bin Zayed Stadium was in the balance with Al Ain leading 2-1 until Marinos goalkeeper William Popp was shown a straight red on the stroke of halftime for tripping two-goal scorer Soufiane Rahimi outside the box. The Morocco forward gave Al Ain an eighth-minute lead after slotting home Yahia Nader’s b…