MLS is Back page help: Odds Portal lists all upcoming MLS is Back football matches played in USA. "B's" column indicates number of bookmakers offering MLS is Back betting odds on a specific football match. Columns 1, X and 2 serve for average/biggest MLS is Back betting odds offered on home team to win, draw and away team to win the MLS is Back match. The top line of upcoming matches table (Football - USA - MLS is Back) lets you click-through to higher categories of Odds Portal betting odds comparison service.