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.
In MLS the Referee's and Assistant Referees' game fee is decided by the amount of past MLS experience each official has. Referees and Assistant Referees are ranked in catagories of level 1 2 3 or 4.For regular season MLS games here are the Referee's Game Fees. Level 4 = $850.ow much do professional soccer referees get paid? It is not a voluntary job-top refs earn upwards of Â£20, 000 for refereeing the World Cup.