Teen Duo Cavan Sullivan and Diego Kochen Start for USA vs. Mexico

Cavan Sullivan and Diego Kochen are both in coach Mauricio Pochettino's starting XI for Saturday's exhibition against Mexico at State Farm Stadium in Glendale, Ariz., per www.foxsports.com.
The 17-year-old Philadelphia Union attacker, who turned 17 on Monday, lines up alongside a 20-year-old Barcelona goalkeeper making his first career start for the U.S. men's national team. Kochen's senior debut came a week ago, when he played the second half of the USA's 4-1 win over Peru.
A sellout crowd of 64,000 fans is expected at the home of the NFL's Arizona Cardinals for the rivalry match just outside Phoenix.
Kochen gets the nod over Matt Freese, who started all five U.S. games at the 2026 FIFA World Cup, while Sullivan follows up his start against Peru — where he became the second-youngest starter in the 113-year history of the U.S. men's program — with another place in Pochettino's 11.
For a teenager who just celebrated a birthday and a goalkeeper making his first start, Saturday is the biggest stage yet.
HOW THEY EARNED THE START
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What have these two teenagers done recently to justify starting?
Cavan Sullivan, who turned 17 on Monday, started against Peru and became the second-youngest starter in the 113-year history of the U.S. men's program. He's the fourth-youngest overall to appear for the senior team. In the Americans' most recent outing, a 4-2 victory over Chile last Tuesday in St. Louis, Sullivan came off the bench.
Diego Kochen didn't allow a goal in his 45 minutes of action against Peru. That clean half came a week before this start, after the Barcelona goalkeeper made his senior international debut in the second half of the USA's 4-1 win over Peru.
Kochen earned the nod over Matt Freese, who was between the posts for all five U.S. games at the 2026 FIFA World Cup. Chris Brady and Brian Schwake are the other two keepers in Pochettino's current squad. Brady and Schwake each played a half against Chile, surrendering one goal apiece.
For a teenager who just celebrated a birthday and a goalkeeper making his first start, Saturday is the biggest stage yet.
KOCHEN'S CLUB AND RECENT FORM

Kochen's path to this stage runs through Denmark. The South Florida native is on loan from Barcelona to Danish club Lyngby for the 2026-27 season, per www.foxsports.com.
His numbers at Lyngby tell a mixed story. Kochen has one clean sheet in nine Danish Superliga games so far, conceding 16 times in all, according to www.foxsports.com.
International experience is thin but real. Although he didn't make Pochettino's World Cup roster, Kochen served as a training keeper during the USA's pre-tournament camp before the 2026 World Cup, per www.foxsports.com.
That camp work, plus his clean half against Peru, is why he starts here. The goalkeeping picture around him is crowded: Matt Freese started all five U.S. games at the 2026 World Cup, while Chris Brady and Brian Schwake each played a half against Chile, surrendering one goal apiece.
POCHETTINO'S MIXED LINEUP
Pochettino, the 54-year-old former Tottenham, Chelsea and Paris Saint-Germain manager, said during Friday’s pre-match press conference that his lineup would contain a mix of experienced players and youngsters, per www.foxsports.com. That blend is on full display against Mexico.

Two-time World Cup veterans Antonee Robinson, Gio Reyna and Tyler Adams — who the Argentine named U.S. captain on the eve of the contest — round out the team. Alongside them sit 2026 World Cup goalscorers Alex Freeman, Sebastian Berhalter and Auston Trusty, giving the side a spine that has already performed on the biggest stage.
Up top, the youth movement continues. Eighteen-year-old Red Bull New York striker Julian Hall, who scored in each of his first two U.S. appearances last month, leads Pochettino’s front line. Saturday’s contest marks the second straight start for Hall, a sign of growing trust from the coaching staff.
The balance is deliberate. Robinson, Reyna and Adams bring the tournament reps and the captain’s armband; Hall and Kochen bring the hunger of players trying to prove they belong. Pochettino’s mix gives Mexico a look at both the present and the future of this U.S. squad.
WHAT TO WATCH NEXT
The Stars and Stripes close out this extended four-game international window against Canada on Tuesday in St. Paul, Minnesota, per www.foxsports.com. That match is the final leg of a stretch that also included Peru and Chile, with Saturday’s rivalry clash against Mexico sitting in the middle of it all.
Kochen’s performance here could influence future starts, though the source does not specify how. Any speculation about upcoming lineup decisions is not confirmed. What is clear is that the 20-year-old has already earned the trust of Pochettino once, and a strong showing against El Tri would give the coaching staff something to consider.
For Sullivan, Tuesday offers another chance to build on a remarkable start to his international career. The 17-year-old has already made history this window; a third appearance in four games would cement his place in the conversation for the next competitive cycle.
The extended window was designed to test depth, and Pochettino has used it exactly that way. From the veterans anchoring the spine to the teenagers pushing for minutes, every player who takes the field in St. Paul will know they are auditioning for something bigger. The Canada match is the last look before the squad disperses back to their clubs — and the last chance to leave a lasting impression.
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