Tecos pulled off an incredible comeback from 4-0 down to draw 4-4 with Toluca in Sunday's Clausura action.
Nestor Calderon put the home side a goal to the good after ten minutes and further strikes from Antonio Naelson and Emmanuel Cerda (2) appeared to have wrapped the game up by the interval.
But an Edgar Duenas own goal two minutes into the second half sparked an unlikely fightback as an Eduardo Lillingston double and Juan Carlos Leano's effort six minutes from time restored parity.
Second-placed Tigres Monterrey moved to within three points of leaders Unam Pumas with a 3-0 win at Morelia. Lucas Lobos fired the visitors ahead in the first half before late strikes from substitutes Alan Pulido and Alberto Acosta rounded off the scoring.
Club America played out a 1-1 draw with Atlante. Angel Reyna had given Club America a 36th minute lead only for Giancarlo Maldonado to equalise just two minutes later.
