He had little success in this grade as Cork GAA dominated the Munster Championship. Fox later joined the Tipp under-21 team, however, he missed the teams Munster final victory in 1979.
He had modest success in this capacity as Cork GAA's supremacy over the Munster Championship eclipsed his accomplishments. Fox subsequently joined the Tipp under-21 team but was unable to join them for their 1979 Munster championship victory.