The 1998 season saw two expansion teams join the league, the Detroit Shock and Washington Mystics.
The expansion teams allowed the defending champions Houston Comets to move to the Western Conference.
The season ended with the Comets winning their second WNBA championship.
During the season, Kelly Boucher became the first Canadian to play in the league, suiting up for the Charlotte Sting.
[1] Eastern Conference Western Conference Note: Teams with an "X" clinched playoff spots.