hrmm just tried to add 13 teams and got this...
WARNING: You have selected an odd number of teams for your head-to-head league. It is strongly recommended that you choose an even number of teams in order to minimize the number of byes on your schedule. If you continue with your selection, at least one team in your league will not have a matchup each week.
WARNING: You have selected an odd number of teams for your head-to-head league. It is strongly recommended that you choose an even number of teams in order to minimize the number of byes on your schedule. If you continue with your selection, at least one team in your league will not have a matchup each week.