History tells that Brazil is the only one country, which is all time favorite among all the football teams. It is easy to judge if we look on some statistics of Brazil world cup mission.
Participation in world cup : 19 (excluding 2014)
Champion : 1958, 1962, 1970, 1994, 2002 (5 times)
Runner up : 1950, 1998 (2 times)
That is identical records for Brazil. Brazil is the only country, which participate in each FIFA World Cup competition and became champion in five times.
If we focus on their last five matches, we will see that they won every match. Let us have a look on last five match results -
South Korea Vs. Brazil : 0 - 2
Zambia Vs. Brazil : 0 - 2
Honduras Vs. Brazil : 0 - 5
Chili Vs. Brazil : 1 - 2
South Africa Vs. Brazil : 0 - 5
Therefore, above things we can say that Brazil is all time favorite team among the teams.