Messi carries Argentina's hopes in Copa Centenario

Lionel Messi and Argentina will be targeting the country's 23-year title drought when the Copa America Centenario kicks off on Friday after a troubled build-up marred by corruption allegations that threatened to derail the event.

A century after Uruguay clinched the inaugural four-team South American championship in Argentina, 16 teams from across the Americas are gathered in the US for a special one-off edition of the tournament.

The three-week soccer festival gets underway at Levi's Stadium in San Francisco on Friday when the US faces Colombia at the home of the NFL's 49ers.

The tournament will conclude with a final at New Jersey's MetLife Stadium in East Rutherford on June 26, drawing a line under what is arguably the biggest soccer event in the US since the 1994 World Cup.

Billed as a celebration of the sport across the Americas, 10 South American teams and six teams from the CONCACAF (North America, Central America and the Caribbean) region make up the field.

For organizers, the mere fact the tournament is taking place at all is something of a triumph.

For several months last year the Copa faced an uncertain future after the arrest and indictment for corruption of several officials from South America and CONCACAF responsible for dreaming up the tournament.

'World Cup of Fraud'

When plans for the tournament were launched at a glitzy event in Miami in 2014, CONCACAF president Jeffrey Webb stood proudly alongside South American federation (CONMEBOL) chief Eugenio Figueredo.

"The American continent may have been discovered in 1492, but I can't imagine a better way to unite this continent than with football," Webb said.

Yet if prosecutors have their way, both men might soon be united behind bars.

Webb and Figueredo were among several officials arrested in Switzerland in May 2015 as part of the US-led corruption investigation that ultimately led to the sensational downfall of FIFA president Sepp Blatter.

With impeccable timing, Webb is due to appear in a New York courtroom on Friday - the day of the opening match - to face sentencing for his role in the scandal.

Figueredo, 84, was extradited to Uruguay from Switzerland last December and also faces criminal prosecution.

Both Figueredo and Webb - as well as former CONMEBOL chief Nicolas Leoz - are accused of pocketing millions of dollars in bribes linked to the award of media rights for the tournament, part of a scam dubbed a "World Cup of Fraud".

Near misses

The sleazy background to the competition threatened to take the shine off an event that will bring together some of the world's best players.

Messi and Argentina will be aiming to win the country's first major title since the 1993 Copa America after a series of recent near misses.

The Argentines lost both the 2014 World Cup final and the 2015 Copa America in Chile.

Messi, due in Spain this week to attend his trial for tax fraud, said it is time Argentina's talented players delivered.

"It has been a very long time since Argentina has won anything, and this group came very close in the World Cup and at the last Copa America," Messi told Sports Illustrated on the eve of the tournament.

"I think we deserve to be champions of an important competition."

Argentina opens its campaign against Chile in Santa Clara, California, on Monday.

Panama and Bolivia complete Group D.

Meanwhile, Team USA will aim to build on its encouraging performance at the 2014 World Cup, when it reached the knockout round, by progressing from the so-called "Group of Death" that includes Colombia, Costa Rica and Paraguay.

Looking to avenge its embarrassing exit from the 2014 World Cup, Brazil will be favored to safely navigate Group B, where it faces Ecuador, Haiti and Peru.

Brazil, a five-time World Cup champion, opens against Ecuador at Pasadena's Rose Bowl on Saturday - scene of its victory in the 1994 World Cup final.

Mexico and Uruguay will be expected to progress from Group C, with Jamaica and Venezuela completing the field.