By Robbie Blakeley, Contributing Reporter
RIO DE JANEIRO, BRAZIL - Flamengo, Botafogo and Fluminense all maintained perfect records after rounds three and four of the first stage of the 2011 Campeonato Carioca. But a slow start for Vasco went from bad to worse over the last seven days, as they slipped to their fourth successive defeat of the campaign against Flamengo on Sunday night, eliminating them from the Guanabara Cup.
Flamengo comfortably brushed aside Americano on . . .