Kosmina's goal in the first ever national league game came against Canberra City at Manuka Oval. West won the game 3–1 in front of a modest crowd of 1700 people. Kosmina, then 20 years old, scored the goal having played two 1978 FIFA World Cup qualification matches for Australia against New Zealand, scoring in one, as well as a cup final for his former club, Polonia.
Kosmina's objective in the inaugural national league match was scored against Canberra City at Manuka Oval. West triumphed 3–1 before a small audience of 1700 spectators. Kosmina, aged 20, netted the goal after participating in two 1978 FIFA World Cup qualification games for Australia, scoring once and winning a cup final with his previous club, Polonia.