Referee: Walter Lopez of Guatemala.

Unlike the quarterfinals and semifinals, the final will, if necessary, use 30 minutes of extra time and a penalty kick tiebreaker to determine the champion.

>> I asked Bruce Arena what he thinks of a team other than the United States or Mexico reaching the final for the third consecutive time (Jamaica twice and Panama once).

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“I think everyone is getting sick of Jamaica in the finals now!” he joked. “We’ve got to have more parity in this tournament.”

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On a serious note …

“It’s very interesting to see how the lesser-known countries have played in this tournament. They are vastly improved. We saw it in the European Championship last year. The game is shrinking around the world in the fact that the lesser-known teams are more accomplished today. They’ve got more experienced players. They have better coaching. And we’re in a low-scoring sport so the likelihood of being able to pull off an upset is much greater than in other sports. That’s been the case in this tournament. We had some difficult games in group play. The consensus of opinion was U.S. and Mexico would be the best final, but I also thought Costa Rica was well-positioned to perhaps win the Gold Cup. That’s the case with Jamaica, as well. It’s been a good competition.”

On the subject of global respect for CONCACAF, Arena responded:

“The only way you get respect is if you do something in the World Cup, to be honest with you. Costa Rica in the World Cup in 2014 proved their quality. Mexico is well-respected. They are the big team in CONCACAF in the eyes of people around the world. And everyone is waiting for the United States to emerge.”

>> D.C. United, the worst team in MLS after five consecutive defeats and a season-long scoring problem, is looking to sign a designated player from Europe or South America before the transfer window closes in two weeks, the Insider has learned, but nothing is close to fruition at the moment.

United’s moves so far this summer have been to sell reserve forward Alhaji Kamara to a Saudi club, release Costa Rican forward Jose Guillermo Ortiz and acquire forward Deshorn Brown through the MLS allocation order. The Jamaican attacker has scored twice in four starts (six appearances).

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On the trade front, defender Sean Franklin has drawn some interest, one source said. Meantime, contract negotiations with goalkeeper Bill Hamid remain unresolved after months of talks. He is in the final year of his deal.

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United (5-13-3) will visit expansion Minnesota United (5-12-4) on Saturday night.

>> Minnesota’s future home, set to open in 2019, has a name: Allianz Field. The $200 million project, located in St. Paul, will have a natural grass surface and 19,400 seats, with potential expansion to 24,474.

>> The Galaxy is buying Mexican midfielder Jonathan dos Santos, brother of current L.A. star Giovani dos Santos, from Villarreal in Spain.

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>> The scene at the Orlando airport when Dom Dwyer, the newly minted U.S. national team forward who was acquired by Orlando City in a trade with Sporting Kansas City, arrived in central Florida on Tuesday night:

>> Ticket sales for the Barcelona-Manchester United match Wednesday at FedEx Field in suburban Washington have reached 75,000, organizers said. Post colleague Samantha Pell sat down with Luis Suarez and filed this story. ESPN2 will provide coverage, starting at 7:30 p.m. ET.

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>> In other International Champions Cup matches, Paris Saint-Germain will face Juventus in Miami (9 p.m. on ESPNews, 9:30 on ESPN2) and Manchester City will play Real Madrid in Los Angeles (11:30 p.m., ESPN).

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>> The U.S. women’s national team is making final preparations for the Tournament of Nations, which begins Thursday with two matches in Seattle: United States vs. Australia and Japan vs. Brazil. Thirty-four NWSL players are involved: 22 for the USWNT, six for Brazil, five for Australia and one for Japan.

Ticket sales as of Tuesday morning:

Seattle (Thursday) 12,100

San Diego (Sunday) 14,700