Allen debuted against Worcestershire in May and played in more than half the matches in the season. In 1957, Allen moved into a regular first-team place and finished high in the bowling averages, as Northamptonshire finished second in the County Championship table.
Allen made his debut against Worcestershire in May and played in more than half of the matches in the season. In 1957, Allen secured a regular spot in the first team and ranked high among bowling averages, as Northamptonshire ended second in the County Championship table.