Oxygen serves as the final electron acceptor during aerobic respiration.
That demand should be little surprise given the leagueâs recent success. In 2011, average MLS attendance hit 17,872 to surpass both the NBA and NHL, and it has since increased to 18,611 fans per game. More impressively, the average franchise is now worth $103 million, up more than 175% over the last five years.
Major League Soccer. Major League Soccer (MLS) is the top-level men's professional soccer league in the United States and Canada. As of the 2017 season, MLS has 19 teams in the United States and 3 in Canada, with at least one more U.S.-based team scheduled to start play in 2018.