By Sam Laskaris, Writer Some local players are making an impact with the two National Lacrosse League squads that are still undefeated. For starters, Justin Martin is the lone Six Nations player on the Toronto Rock roster. Martin, a rookie, has scored three goals this season for the Rock, who are off to a perfect 4-0 start. Meanwhile, the Albany FireWolves are the only other team in the 15-club pro circuit that is still undefeated. The FireWolves, who only managed to win three of their 18 contests a year ago, are off to a 6-0 start this season. The Albany squad is being led by goaltender Doug Jamieson, a Six Nations member, who has backstopped his side to all of their wins in their first half dozen matches. Meanwhile, a…