NBCSN to Air Portland-Seattle MLS Cup Playoff Conference Semifinals

NBC Sports Group's MLS Cup Playoffs coverage continues with the second leg of the Western Conference Semifinals between the Portland Timbers and Seattle Sounders Thursday at 11 p.m. ET on NBCSN.

The top-seeded Western Conference Portland Timbers host the three-time Lamar Hunt U.S. Open Cup Champions Seattle Sounders FC at Jeld-Wen Field in Portland, Ore. The Timbers lead the two-game series after a 2-1 win over the rival Sounders in the first leg of the semifinals. It was the Timbers' first-ever MLS Cup Playoff game.

The Conference Semifinals are a two-game series with home-and-away games and an aggregate-goal format. The team that scores the most goals in the home-and-away series advances to the Conference Finals.

COMMENTATORS: NBC Sports Group's lead soccer play-by-play announcer Arlo White will call Portland-Seattle on Thursday. White will be joined by former U.S. Men's National Team midfielder and analyst Kyle Martino and host Russ Thaler.

NBC Sports Live Extra - NBC Sports Group's live streaming product for desktops, mobile devices, and tablets - will stream NBCSN's coverage of Portland v. Seattle coverage will be available via "TV Everywhere," the media industry's effort to make quality content available to authenticated customers both in and out of the home and on multiple platforms.

For desktops, NBC Sports Live Extra can be accessed at NBCSports.com/liveextra (http://stream.nbcsports.com/liveextra/). The NBC Sports Live Extra app for mobile devices and tablets is available at the App Store for iPhone, iPad and iPod touch, and on select Android handset and tablet devices within Google Play.

NBCSN will live stream to PCs, mobile devices and tablets through NBC Sports Live Extra, and to the digital platforms of participating cable, satellite, and telco services, via "TV Everywhere," which is available on an authenticated basis to subscribers of participating MVPDs.

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