Claim: The 1957–58 Tweede Divisie was contested by 29 teams, one less than in the previous season due to the voluntary return of FC Oss which is a professional association football club based in the town of Oss.
Evidence: The Dutch Tweede Divisie in the 1957–58 season was contested by 29 teams, one less than in the previous season due to the voluntary return of FC Oss to amateur football.