Gosford All Blacks finally got their season up and running with a 54-0 thrashing of neighbours Wheatley in the BB&O Premier Division.
Wing Elliott Newell sprinted in from 30 metres for Gosford's first try then helped Eugene Griffin set up Dan Hughes for No 2.
Hughes fed lock Max Burbidge to make it 15-0 and Tommy Newell glided past the cover defence on 33 minutes.
Fly half Ben Bodinham was off form with his kicking, but created try No 5 for Liam Beesley.
Half-time replacement Dan Thiele was immediately in action, blasting through for a score converted by Eliott Newell.
Full back Murray Stewart dummied his way through the downhearted Wheatley defence to bag No 7.
Elliot Newell converted this, but was off target after Tommy Newell notched in the corner.
Replacement flanker Rick Benito and Alex Webb were the final scorers in Gosford's ten-try romp.
Oxford's young backs shone in their 27-13 home victory over Stow-on- the-Wold.
Fly half Phil Longuet-Higgins burst through to the line for a great individual try as Oxford took the lead.
Tom Olley added two penalties, while Stow replied with one of their own.
In the final move of the half, Oxford winger Mario Da Silva scooted across in the corner for a try.
Stow's kicker and Olley traded penalties early in the second half before Da Silva won his race to the line for a second try.
Olley added his fourth penalty before Oxford sat back and allowed Stow a converted try.
Harwell secured derby success with a 16-8 victory at Abingdon .
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