The regular season standings are based on percentage points. This is computed by (wins plus half of total ties) divided by total number of games played.
If two or more teams have the exact PCT, the first tie breaker is head-to-head.
Second tiebreaker is largest run differential in those head-to-head games.
Third tiebreaker is average least points against in all games played.
Fourth tiebreaker is average most points for in all games played.