Complex sentence: The 2011--12 Toronto Raptors season may be the 17th season of the franchise in the National Basketball Association (NBA) once the players and owners sign a new collective bargaining agreement ("see 2011 NBA lockout for more information").
Split into simpler sentences: The 2011--12 Toronto Raptors season may be the 17th 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").