In 1999, there were 31 teams playing in the NFL.
No nfl teams are playing today
There are 30 teams in the NHL and thousands of teams playing ice hockey around the world. Too many to count.
LOTS of teams are playing this year.
There will be total 10 teams, 8 are already playing and two new teams will play also.
There are 13 teams playing in the MLS (Major League Soccer) and 9 teams playing in the MISL (Major Indoor Soccer League).
Teams? Like playing against each other? 2.