COUNTIES CRICKET Wiltshire have home advantage
Oxford UCCE seamer Sam Freestone is a competition debutant having impressed in T20 cricket.
Oxfordshire include 15-year-old batter Evan Cowley for his Trophy debut after he made a half-century in his first outing for the county against Wales NC in a T20 match last Sunday.
Tristan Rossouw and Tom Davis also come into the side but Harrison Ward, who captained Oxfordshire in all four of their group matches is on Vitality Blast duty with Sussex.
Today's quarter-final at Warminster Cricket Club is free to see.
NV Play National Counties Trophy quarter-finals
Sunday June 7 (1100) weather-permitting
Carlisle: Cumbria v Staffordshire
Sprowston: Norfolk v Cheshire
Warminster: Wiltshire v Oxfordshire
High Wycombe: Buckinghamshire v Berkshire
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