Complex sentence: It is notable that he scored Airdrie United's first ever goal, in a 1--0 win over Forfar Athletic at New Broomfield in their first ever league match.
Split into simpler sentences: It is notable that he scored Airdrie United's first ever goal. Said goal came at New Broomfield in the Diamonds' 1-0 win over Forfar Athletic in their first ever league match.