The final soccer game was filmed in the Nemesio Diez Stadium, home of Toluca, a Mexican first-division soccer team.
The two sports commentators are voiced over by David Faitelson and Antonio Rosique, two popular TV personalities in Mexico.
The song that 'Gael Garcia Bernal' sings ('Quiero que me Quieras') is a cover of Cheap Trick's "I Want You To Want Me"
All the soccer teams and players that appear in the movie are fictional (such as Nopaleros or Deportivo Amaranto).
Director Carlos Cuaron is the brother of successful academy award winner Alfonso Cuaron.