Guam Men's Soccer League is the top league of the Guam Football Association in Guam. The league is currently sponsored by Budweiser and referred to as the BGMSL. The BGMSL has had two levels, Division I and Division II since 2004. Since 2007, the BGMSL has adopted a longer season that starts in the fall and ends in the spring. Previously, the BGMSL was divided into two seasons: Spring and Fall. When the champions of the Spring and Fall seasons were different, a one-off match was played to decide the year's Overall Champion.