By Robbie Blakeley, Senior Contributing Reporter
RIO DE JANEIRO, BRAZIL - The first round of the 2014 Copa Libertadores - the group stages - kick-off next week, and the greatest prize in South American club football potentially has two Carioca entrants. The Libertadores is made up of 32 clubs across South America and Mexico, who were invited to enter in 1998, with teams split into eight groups of four with the top two in each progressing to the knock-out phase.
Matches are subsequently played over two legs to determine the champion. Recent years have been dominated by the Brazilians . . .