Since there are many sports in America it is not easy to compare which team is the best. For Baseball The San Francisco Giants are the current champions, for football it is the Baltimore Ravens.
Team America!
The best basketball player in America according to stats is Michael Jordan.
In Europe the best team is Italy and in South America it is Brazil.
Club America
The best team of volleyball is AMERICA!
The best teams in the Mexican league are between Chivas (Guadalajara) and CF America. They are equal in skill. But CF America has more games won between their rivalry with Chivas. So CF America is the best team in mexico.
Argentina along with brasil
Steelers are the best NFL football team and the Panthers are the best college football team. steelers are awesome, but they lost the 2011 NFL by six points 25-31.
Impossible to answer; ManU is in Europe.
Yes they are good at soccer, but they are not the best team in the world.
The Atlanta falcons, they beat the saints this year.
Anyone playing For USA or who has played with them softball is a TEAM sport there is no "I" in team