 They have been to the WNBA championship series four times, losing in 1998 to the Houston Comets, before winning their first WNBA championship in 2007, when they defeated the Detroit Shock in five games.They would win another championship in 2009 (after missing the playoffs in 2008), when they defeated the Indiana Fever.2014 would see the Mercury win their third championship, sweeping the Chicago Sky in three games.