The Seattle Sounders defeated FC Dallas 1-0 on Tuesday night in the Western Conference Semifinals at Lumen Field behind a 49th-minute goal from center back Shane O’Neill. SUBSCRIBE for more Sounders FC videos: http://sndrs.com/sbsc Visit SoundersFC.com: http://sndrs.com/ssfc Follow us on Twitter: http://sndrs.com/twtr Like us on Facebook: http://sndrs.com/fbook Follow us on Instagram: http://sndrs.com/ingrm