Seattle Sounders FC's quality fluctuates from season to season, as is typical in MLS's parity-driven league. Current standings, recent form, and roster composition all factor into assessing how good the team is at any given point.
MLS's salary cap and competitive balance measures mean that teams can rise and fall quickly. A few smart signings or coaching changes can transform a struggling club into a contender, and vice versa. The best way to assess Seattle Sounders's current quality is to check the league standings and watch their recent matches.