Top 5 MLS what-to-watch-fors

So the soon-to-be MLS season is, believe it or not, fast approaching. Seems like just yesterday we were watching Landon and Becks engage in an epic bro-embrace. Wistful days, those. But upon is the longest MLS season ever undertaken, a startling five weeks hence. As somebody who still considers soccer a cold-weather sport, there's not a lot about 100+ degree mid-July games that entices me, but