The 1958 Salmonbellies team finished first in the Inter City Lacrosse League (ICLL) standings with a record of 17 wins, 11 losses and 2 ties. They went on to defeat the Nanaimo Timbermen in a tough seven game series to advance and win the league title. The Salmonbellies swept the Welland Crowland Switsons four games straight for their 3rd Mann Cup Box Lacrosse title.In 1959, the Royal City club again took first place with a 20 win and 10 loss record, then went on to defeat Victoria 4 games to 1 in the ICLL finals. New Westminster met a talented Peterborough Timbermen team in the 1959 Mann Cup and defeated the T-men in four games.In 1962, New Westminster finished second to Vancouver in the regular season with a 22-10 record, only to go on and defeat the Carlings 4 games to 3 in the finals, winning the final game in overtime. For the third time in five years, New Westminster swept their eastern opponents, this time, the Brampton Excelsiors fell 4 games to none, a feat that has never been duplicated in over 80 years.The New Westminster Salmonbellies won three Mann Cups in five years and won twelve straight Mann Cup games. There are fifteen players, from the three Mann Cup teams, that are presently in the Canadian Lacrosse Hall of Fame.