The American trio was signed by Colombian Roger Martínez, Chilean Diego Valdés and Mexican Alejandro Zendejas (7th, 15th and 18th respectively), to move the team from 17th to 15th with 10 points, while Toluca fell to 11th with 13 points.
In the Guadalajara Classic of Mexican soccer, Chivas advanced through Roberto Alvarado (65 s), and Atlas could not equalize until the last minute of the game with a goal from Colombian Julián Quiñones to a pass from Ecuadorian Aníbal Tilla.
Atlas increased its score to 20 points in fourth place, 5 points behind leader Pachuca, two points behind runner-up Tigres and one point behind third-place Puebla.
Chivas de Guadalajara is in tenth place with 13 points, ahead of Toluca on goal difference.
In two other games at the end of the eleventh day of the championship, Lyon defeated their host Mazatlán on Monday by two goals to one, and Tijuana beat their guest Juárez with a clean goal.
Leon raised his score to 18 points in fifth place, respectively, and Tijuana similarly raised his score to 14 points in ninth place.
Mazatlan’s record is stuck at seven points at the bottom of the standings, leading Juarez by one point to occupy the penultimate position.