Raphina and Philippe Coutinho inspire Brazil to Paraguay win, Argentina dent Colombia's hopes; plus: Rodrigo Bentancur and Alexis Sanchez on target.
Brazil had to settle for a 1-1 draw away to Ecuador after Felix Torres' header 15 minutes from time cancelled out an Casemiro's strike in an eventful World Cup qualifier.
Lionel Messi scored a free-kick and served up two assists as Argentina beat Ecuador 3-0 on Saturday to set themselves up for a Copa America semi-final against Colombia.
Yerry Mina's own goal in the second half saw Colombia crash to a 2-1 defeat by Peru in an absorbing Copa America clash on Sunday.
Brazil kicked off a Copa America tournament that has been opposed by some members of its own team with a 3-0 win over Venezuela on Sunday.
Brazil beat Ecuador 2-0 in World Cup qualifying to maintain their perfect record and stay top of the South American qualifying group for Qatar 2022.