By Robbie Blakeley, Senior Contributing Reporter
RIO DE JANEIRO, BRAZIL - Vasco were left lamenting poor refereeing after a 0-0 draw with Corinthians in the first leg of their Copa Libertadores quarter-final tie last night at São Januário Stadium. The Cariocas had a perfectly good goal chalked off in the second half, which would have given them a crucial advantage . . .