.jpg) Major Series Lacrosse | |
| Sport | Box lacrosse |
|---|---|
| Founded | 1887 |
| No. of teams | 7 |
| Country |  Canada |
| Most recent champion(s) | Six Nations Chiefs |
| Official website | majorserieslacrosse |
Major Series Lacrosse (MSL) is a Senior A box lacrosse league with 7 teams based in Ontario, Canada sanctioned by the Ontario Lacrosse Association. The league championship team each year goes on to play against the champions of the Western Lacrosse Association for the Mann Cup in September. The championship is hosted alternately between Ontario and British Columbia.