Complex sentence: The 2011--12 Portland Trail Blazers season will be the 42nd season of the franchise in the National Basketball Association (NBA) once NBA players and owners sign a new collective bargaining agreement ("see 2011 NBA lockout for more information").
Split into simpler sentences: The 2011--12 Portland Trail Blazers season will be the 42nd season of the franchise in the National Basketball Association (NBA). However, the playing of the season is contingent on whether NBA team owners and players agree to a new collective bargaining agreement ("see 2011 NBA lockout for more information").