By Sam Laskaris Writer The good news for the Six Nations Rivermen is that they are just two wins away from qualifying for their national championship tournament. The only team that is standing in the way of the Rivermen advancing to the Presidents Cup tourney is the Brooklin Merchants. But the Merchants also happen to be just a pair of victories of getting there themselves. The Rivermen and Merchants are in the midst of a best-of-five Ontario Senior Lacrosse (OSL) championship final series. They are currently tied at 1-1. The eventual series winner will not only earn provincial bragging rights but also move on to the Presidents Cup, also known as the Prezzy, to determine the top Senior B squad in the country. British Columbia’s Ladner Pioneers will host the…