By pro I guess you mean MLS which is the first tier of American soccer, in that case it's 15 teams.
All depends on the club they support.
All do.
Chelsea
professional soccer is teams that have the best players in the country or maybe even the world. you can become a pro soccer player if a scout thinks you're the best at playing soccer.
Some acronyms for U.S. Pro Soccer would include the USSF which stands for the United States Soccer Federation and there are also three professional soccer league divisions under the United States Soccer Federation. Division I, the strongest and highest division, is made up of teams from MLS or Major League Soccer. Division II is made up of teams from the NASL or the North American Soccer League. Division III, the weakest and lowest division, is made up of teams from the USL Pro, or United Soccer Leagues Professional Division.
soccer is the sports that has most pro leagues. It even has a World cup.
no its not theres still many pro teams out there.
733 total including the NBA and FIBA but in the NCAA there are 67 teams which would bring it to 800
No. They are far too expensive, and many teams don't own their own stadium. They do, however, often own a training ground in a more private area of their town.
30
30
32 teams