That may be something to do with one of the game's more impressive statistics.
Check out our brand new daily JOE World Cup Minipod with Dion Fanning and Paddy McKenna with added Mad Vlad Putin, Spanish managerial weeping and probably some football as well.
"Not only for me but for all the players, if it is not the most important it is one of the top three matches (of their careers)". All in a days work for the players in Russian Federation. Because the Ticos didn't lose in Brazil, they can tie the CONCACAF record for a World Cup unbeaten streak with a win or draw against Serbia.
"Mexico deserved the win", Hummels conceded.
Brazil coach Tite, who masterminded a dominant qualifying campaign that saw the "Selecao" finish 10 points clear of their rivals, said Neymar was "not 100 percent". "I hope that this time we'll be the ones coming away with the big result".
The street parties are still ongoing Sunday afternoon in Mexico.
Brazil will next face Costa Rica on Friday in St. Petersburg, while Switzerland faces Serbia in Kaliningrad on the same day.
Mexico achieved the impossible.
When I played, our first match was always fragmented, always tough - we only beat Scotland by one goal in 1998, remember, and it was a similar story in my next two World Cups.
Chucky has been linked with several English clubs this summer and with this match and his excellently taken goal, he may have doubled his potential transfer fee. However, they did make the semifinals in that tournament, so not all is lost.
Rafael Marquez became just the third player to appear in five World Cups, joining his compatriot Antonio Carbajal (between 1950 and 1966) and Lothar Matthaus (1982 to 1998) of Germany. From the opening whistle, Mexico came out swinging, showing that they weren't phased by the defending champions.
It was not supposed to go this way.
However, Brazil was never able to get out of first gear and they were duly punished in the 50th minute. Steven Zuber then headed in the equaliser in the 50th.