Luis Fuentes scored the only goal as defending champion Pumas beat Mexico City rivals America 1-0 to move top of the Mexican Apertura standings after 11 rounds.

Pumas have 20 points, with second-place Jaguares on 19 after only managing a 1-1 draw against last-place Atlas.

On Sunday, Javier Gandolfi scored a late equalizer for Tijuana in a 1-1 draw against Tigres, which moved to 18 points in third place. Cruz Azul and Chivas are also on 18 points after both lost 1-0 at the weekend.

Cruz Azul was beaten by Santos and Chivas went down to Queretaro.

In other weekend results, Puebla lost 2-1 against San Luis, Estudiantes beat Morelia 2-0, Monterrey drew 0-0 with Toluca and Pachuca defeated Atlante 1-0.

The only goal in the Mexico City derby between Pumas and America came in the 55th minute when a deflected shot from the edge of the area by Pumas' Francisco Palacios looped into the net off Fuentes' thigh, fooling America goalkeeper Armando Navarrete.

America, one of Mexico's biggest clubs, is in 16th place with only 10 points.

Tigres took the lead five minutes before halftime when Lucas Lobos scored following a pass from Argentine compatriot Damian Alvarez. Gandolfi equalized in the 88th.

Jaguares dropped from first place after Daniel Arreola equalized for Atlas with a 47th minute free kick that went underneath the defensive wall and past the goalkeeper. Colombian Luis Gabriel Rey had put Jaguares ahead in the 34th.

Santos beat Cruz Azul thanks to a goal by Mexico international Oribe Peralta in the 21st minute, moving the club to 17 points.

ueretaro also has 17 points after Hibert Ruiz scored in the sixth minute to defeat Chivas, which is now winless in five matches.

San Luis scored twice in the second half with goals from Alfredo Moreno and Jehu Chiapas to come from behind to beat Puebla, which had taken the lead through U.S. international DaMarcus Beasley in the 11th.

Juan Carlos Leano opened the scoring for Estudiantes in the 58th and Eduardo Lillingston added a second five minutes later against last season's finalists Morelia.

Monterrey had the majority of possession against Toluca, but Mexico international goalkeeper Alfredo Talavera made a number of saves to keep the score at 0-0.

A goal by Jaime Ayovi gave Pachuca the three points against Atlante. Pachuca moved up to 17 points, just three behind leaders Pumas.