By Sam Laskaris Writer It’s now guaranteed that at least one Six Nations member will be part of the eventual National Lacrosse League (NLL) champions this year. That’s because following league playoff action this past weekend, there is at least one local player on all four of the squads that have qualified for the NLL semi-finals. The four clubs that remain in the hunt to capture the league title are the Toronto Rock, Buffalo Bandits, San Diego Seals and Albany FireWolves. All of these teams were victorious in their quarter-final matchups held this past weekend. One of the top performers in the four playoff contests was Six Nations member Doug Jamieson, a FireWolves’ goaltender. Jamieson, who is in his seventh NLL campaign, backstopped his host Albany club to a 9-3…