Though the series still hangs in the balance, Chivas missed a great opportunity to take control of the Clasico Nacional quarterfinal series in Thursday's first leg.
Chivas had its foot on Club America's throat, but didn't push down.
With 30 minutes left Thursday in the first leg of the team's quarterfinal, America midfielder Rubens Sambueza was sent off by referee Cesar Ramos for a second yellow card. But Chivas couldn't take advantage of Ramos' questionable decision and the teams go the Estadio Azteca level after a scoreless draw. Angel Zaldivar ended up with his own red card in the 82nd minute, but even before the match went to 10 vs.