Why is Saudi Arabia playing in the Concacaf Gold Cup? Here's everything you need to know about the U.S. men's next challenge.

Four days after an emphatic win in its Concacaf Gold Cup opener, the USMNT will get a bigger test against Saudi Arabia on Thursday night.

Defender Chris Richards scored to lift the United States to a 1-0 win over Saudi Arabia, sending the U.S. on to the CONCACAF Gold Cup quarterfinals.

The U.S. men's national soccer team beat Saudi Arabia in a group-play match in Austin in the Gold Cup.

Chris Richards scored for the USMNT in its 1-0 win over Saudi Arabia in the second Gold Cup group game Thursday.

Chris Richards scored for the USMNT in its 1-0 win over Saudi Arabia in the second Gold Cup group game Thursday.