The United States women's national team faces Costa Rica on Friday night. The stakes? A trip to London, where they hope to defend their Olympic gold medal.

Join editor Richard Farley and senior writer Jamie Trecker (via @FOXSoccerTrax on Twitter) as FOX Soccer chats with you during Friday's CONCACAF Olympic qualifying semifinal. Kick off is schedule for 8:00 p.m. Eastern, the chat beginning 15 minutes before.

It's a must win scenario for both teams. Advance to Sunday's final, and you earn one of the region's two places in the summer Olympics. Lose and you're done - a result that would be a shocking outcome for a US team that won gold in 2008.

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<a href="" _cke_saved_href="" >USWNT vs. Costa Rica</a>