MEXICO CITY (AP) -- UANL Tigres and Tijuana maintained their perfect starts to Mexico's Clausura championship, winning their fourth consecutive games this weekend.
Tigres defeated Queretaro 2-0 on Saturday, while Tijuana won 2-0 against Pachuca, also Saturday. In Sunday games, UNAM Pumas beat Toluca 1-0 and Atlante came from behind to win 4-3 against Jaguares.
In other games in the fourth round of matches, Atlas defeated America 2-1, Monterrey won 3-2 against San Luis, Cruz Azul overcame Puebla 4-0, Santos Laguna defeated Leon 2-0 and Morelia drew 1-1 with Guadalajara Chivas.
Tigres' Argentine Emanuel Villa burst past two defenders and finished into the corner of the net to open the scoring in the 40th.
Villa then assisted his team's second in the last minute, rolling the ball for Danilinho to tap in against relegation-threatened Queretaro.
Tijuana's Alfredo Moreno converted a penalty in the 58th for the reigning champion against Pachuca, with substitute Raul Enriquez heading in the second from a corner five minutes from the end.
Pumas' Javier Cortes scored in the 45th to hand his team its first victory of the season.
Atlante scored twice in second-half stoppage time to snatch a thrilling 4-3 win. Diego Ordaz pulled the team level before a deflected shot from Luis Venegas put Atlante in front.
Atlante had gone 2-0 up inside 15 minutes, with Argentine Joaquin Larrivey scoring both goals, but Jaguares came back in the second half with goals from Leiton Jimenez in the 57th and Luis Lorona in the 66th and 74th.
Jaguares finished the game with nine players on the field after Jorge Gastelum was sent off in the 63rd and Miguel Martinez followed him five minutes later.
Relegation candidates Atlas ended America's winning start to the season, with Omar Bravo scoring the winner in the 74th from the penalty spot.
Diego Reyes had headed America into the lead two minutes before halftime. Chilean Rodrigo Millar equalized for Atlas two minutes after the break.
Monterey's Jesus Zavala headed in from a corner in the 77th to clinch victory against San Luis.
Leobardo Lopez got Monterrey's first in the 14th and Aldo de Nigris doubled its lead four minutes later.
Sebastian Trellez pulled one back for San Luis in the 53rd, with Mauro Matos getting the equalizer in the 68th.
Cruz Azul's Christian Gimenez got his side's first in the 35th with a diving header.
Mariano Pavone added the second with a penalty in the 48th, Teo Gutierrez extended the lead in the 51st and Javier Aquino completed the scoring in the 62nd.
In Friday's games, Nestor Calderon got Santos Laguna's first in the 18th, with Oribe Peralta completing the victory with a goal in the 58th.
Morelia's Joao Rojas equalized in the last minute against Chivas, which had taken the lead through Rafael Marquez Lugo in the 52nd, but gone down to ten men when Kristian Alvarez was sent off in the 57th.