What to look out for in Copa Libertadores final

RIO DE JANEIRO, Nov. 1 (Xinhua) -- Brazil's Fluminense and Argentine side Boca Juniors will vie for the most coveted trophy in South American club football when they meet in the Copa Libertadores final at Rio de Janeiro's Maracana stadium on Saturday.

Fluminense have never won the tournament, with their best showing coming in 2008 when they lost the final to Ecuador's Liga de Quito.

Boca Juniors are the s