Vagabonds had high hopes for a big result away at Oldershaw but the home side snatched the game 13-10.
Vagas led 5-3 at half-time courtesy of a Ross Pullman try.
In the second half, Leigh Kennaugh doubled Vagas’ tally but the strong Oldershaw side was too powerful for Vagas in the end.
Football: Wayne Lisy steps down as Women's National Team Manager
Lisy ends five-year spell in charge
MGP and Classic TT now scheduled to end on Tuesday due to weather forecast
Organisers make substantial changes with significant rainfall and wind expected
Johnny Stewart tops MGP qualifying once more
Mike Browne fastest in Formula One session
MGP: Evening session called off due to wet roads
Roads will shut again tomorrow morning