SAC CYO League Rules/Policies
SAC CYO adheres to the Oakland Diocese CYO Rules
All Play Rule​
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For the 2025 – 2026 season, one unified “All Play” Rule has been approved & implemented for all CYO Leagues.This rule applies to all CYO regular season and post-season games (playoffs, diocese, tournament of champions).
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When teams have 10 or fewer players, the first half will be broken into four playing periods. All players must complete two full playing periods in the first half (equivalent to one full quarter). Coaches are strongly encouraged to play all players in the second half. There are no free substitutions during the all play periods.
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When teams have 11 to 15 players, the first three quarters will be broken into six playing periods. All players must play two full playing periods (equivalent to one full quarter) over the course of three quarters.
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When teams have 16 to 20 players, all four quarters will be broken into eight playing periods. All players must play two full playing periods (equivalent to one full quarter) over the course of four quarters.
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Press Rule
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Teams ahead by (10/15) points or more (based on which grade) may not full court press.
First time will be a WARNING.
Second time (and more) will be a technical and an automatic two points for team behind, plus
ball out of bounds for them.
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Forfeit Time
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A team must begin the game with Four players but may finish with less if need be.
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Game time is forfeit time
Tiebreaker Rules
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Record in Head To Head match-ups. In case of teams splitting the Head To Head matchups (1-1), the winner of the last Head To Head game, wins the tiebreaker.
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Record against other teams in finishing order. For Example, if 2 teams are tied for 3rd place, we look at the records against the first place team. If teams have the same record against the first place team, we look at the records against the 2nd place team and so on, until we have determined the tiebreaker.