Men's basketball clubs Albirex Niigata and Saitama Broncos unveiled a plan Monday to establish a professional league in the fall of 2005.

Both teams said they will withdraw from their respective leagues next March to prepare for the creation of the new league, which is likely have six teams based in Niigata, Saitama, Sendai, Tokyo, Osaka and Oita for its inaugural season.

Currently, Niigata plays in the top-tier Super League and Saitama is in the second-tier Japan League, both of which are governed by the Japan Basketball League organization.