By Daniela Desantis ASUNCION (Reuters) - South American's Copa Libertadores, the region's equivalent of the Champions League, will be played over 10 months instead of six and will end with a one-leg final from next year, the continent's soccer confederation CONMEBOL said on Tuesday. CONMEBOL also announced that 10 of the teams knocked out in the group stage will then go into the second-string Copa Sudamericana, just as some teams knocked out in the Champions League group stage go into the Europa League. "The move will allow us to improve the sporting performance in national tournaments, protect players and at the same time unlock the potential of the continental cups," CONMEBOL said in a statement. More...