GUADALAJARA, Mexico -- Luis Gabriel Rey's two first-half goals helped America to a 4-0 win over Chivas on Sunday in the big game between Mexico's most popular teams.
Rey opened the scoring from close range in the 9th minute and doubled America's lead six minutes later with a shot from 25 yards.
Mexico striker Raul Jimenez made it 3-0 in the 56th, before Luis Mendoza finished off the scoring with a lobbed shot in the 74th.
League leader Cruz Azul slumped to a 3-1 defeat to Atlas on Saturday, allowing second-place Toluca to close the gap to one competition point after its 2-1 win over Tigres.
Atlas took the lead after three minutes when Martin Barragan curled a shot into the top corner from the edge of the area and, after Marco Fabian equalized from close range, Maikon Leite and Barragan secured the win with goals before half time.
Toluca needed an injury-time goal from Raul Nava to seal its win over Tigres after Paraguayan Pablo Velazquez' opener in the 12th was canceled out by U.S. international Jose Torres' 25-yard left-foot shot.
In other weekend results, Monterrey had a 3-2 win over Atlante, Veracruz overcame Pachuca 3-1, Santos Laguna defeated Pumas 2-1, Leon drew 1-1 with Puebla, Queretaro beat Tijuana 2-1 and Chiapas had a 1-0 victory over Morelia.
Lucas Silva opened the scoring for Monterrey in the 15th, with Michael Arroyo equalizing 10 minutes later. Wilson Morelo and Cesar Delgado netted second-half goals for Monterrey, before Roberto Gutierrez reduced Atlante's deficit.
Second-half goals from Cristian Martinez and Liber Quinones secured victory for Veracruz, after an own goal from Pachuca's Efrain Cortes and a goal in the right net from Enner Valencia meant the teams were level at halftime.
Mexico international Oribe Peralta scored in the 22nd and late in second-half injury time for Santos Laguna after Dante Lopez had given Pumas an early lead in the 3rd.