Arnold made his debut for Oxfordshire in the 1980 Minor Counties Championship against Devon.
He played fifteen further List A matches for Oxfordshire, the last coming against Herefordshire in the 1st round of the 2004 Cheltenham & Gloucester Trophy, which was held in 2003.
[5] Playing for Oxfordshire allowed him to represent the Minor Counties cricket team.
He played three first-class matches for the team: against the Zimbabweans in 1985, the Indians in 1990, and the South Africans in 1994.
He played thirteen further List A matches for the team, with the last coming in the 1995 Benson & Hedges Cup against Warwickshire.