ST. LOUIS — Amid all the excitement about his young U.S. soccer team, a wide-eyed crew that started the new World Cup cycle with an enlightening performance over the weekend , Mauricio Pochettino warned there would be ups and downs along the way.

After all, almost half the roster had never played at the senior level and, as a whole, the group hadn't spent much time together.

Tuesday's 4-2 victory over Chile at bubbly Energizer Park reinforced the coach's admonition.

The gorgeous build-up on the first goal.

Sebastian Berhalter and Gio Reyna putting their stamp on another match.

Teenager Julian Hall's second goal in two appearances, and teenager Mathis Albert scoring his first. At 17 years and 4 months, Albert is the youngest scorer in U.S. history.

Chris Richards' 72nd-minute tiebreaking goal as part of a second-half comeback.

All in all, it was another good result and fun outing for a program returning from the World Cup with the second of four friendlies over 11 days. For the second time in four days, the Americans scored four goals and flexed their muscles against a South American foe.