Fans of Queretaro and Atlas clashed at the home side's Corregidora ground where 30 people were injured, one badly, according to club president Ulises Zurita.
"I understand there are 30 injured among fans of Queretaro and Atlas, as well as security personnel. One is serious," Zurita was quoted as saying by La Aficion on their website.
Queretaro beat the visitors 2-1.
Tigres UANL coach Daniel Guzman was sacked after his team's 1-0 home loss to Toluca, the club confirmed to La Aficion.
Fans invaded the pitch and fought with stewards and security officers after the match and demanded Guzman be dismissed.
Championship pacesetters Guadalajara ended a run of three matches without victory by crushing Santos Laguna 6-2 in a high quality match at their Jalisco stadium.
Alberto Medina scored in the opening minute and also netted the last goal in stoppage time for the Chivas side, who had set a record of eight successive wins from the start of the championship before a dip in form.
Guadalajara had to come from behind after Santos went 2-1 up with two quick goals midway through the first half from Argentine midfielder Walter Jimenez.
Mexico striker Javier Hernandez, the league's top scorer, also found the net to take his tally to 10.
"We returned to our winning ways and how," said forward Adolfo Bautista. "We showed we have great potential," he told Televisa.
Guadalajara lead Group One with 28 points from 12 matches, 10 points ahead of Queretaro.
Champions Monterrey, held 1-1 by Jaguares in Chiapas, lead Group Two with 27 points, seven ahead of Morelia.
Santos Laguna are top of Group Three with 24 points. They are four points ahead of Pumas UNAM, who are at home to San Luis on Sunday.
Indios, from the city of Ciudad Juarez, were relegated after a 3-0 defeat away to Atlante in the Caribbean resort city of Cancun. They are bottom of the overall standings with one win and six points.
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