The MLS by some counts either has or hasnt breached the proverbial "Big 4" of American Sports. Some say it never will, some say its inevitable. Some say they are almost there, some say that there are miles to go. Whatever side of the fence you might be on, this article is interesting to see the metrics used to gauge their slow ascent break into the Big 4 leagues.
http://www.forbes.com/sites/darrenh...our/?utm_medium=referral&utm_source=pulsenews
http://www.forbes.com/sites/darrenh...our/?utm_medium=referral&utm_source=pulsenews