American goalkeeper Jonny Walker, who was named in the top keeper in the Chilean League last season by Don Balon, celebrated a 3-1 Libertadores Cup win on Thursday. He helped Universidad Catolica down Flamengo, 3-1, in Rio de JaneiroGs Maracana Stadium. Catolica, which was opening its Group 8 play, had never notched a win in Brazil. It becomes the second team to win in at Maracana since Colo Colo beat Botafogo, 2-1, in 1973. In its next Libertadores Cup clash, Catolica hosts ParaguayGs Olimpia Feb. 27. The Chilean League kicks of this weekend.