Torreira arrives at the Emirates on a long-term deal for a fee in the region of £26million.
Arsenal unveiled their new man in a Uruguay-themed video on their social media accounts.
Arsenal have made their fourth signing this summer under new manager Unai Emery by completing a €30m (£26.5m) deal for Sampdoria's Uruguayan defensive midfielder Lucas Torreira.
UC Sampdoria announces that it has relinquished the rights to the sports performances of the player Lucas Sebastián Torreira to Arsenal FC.
It referenced the lion tattoo he has on his arm and carried the tagline "Time for Torreira".
Former Arsenal Star Emmanuel Eboue Arrested
Police said a man has been detained on suspicion of arson and malicious communications outside a home in Enfield. A spokesman later added: 'He has since been released with no further action in respect of the arson allegation.
Torreira, who has only won eight caps for his country, featured in every game as Oscar Tabarez's side reached the quarter-finals, where they were beaten 2-0 by semi-finalists France.
We give honest thanks to the Uruguayan midfielder- 74 appearances and 4 goals as a blucerchiato- for the commitment shown in these two seasons and the greatest good luck for the rest of his career is wished by President Massimo Ferrero and all of the company.
"He is a young player already with good experience, but who wants to keep on growing".
The 22 year-old has just returned from representing his country at the World Cup in Russian Federation, where he played in all five matches as they progressed to the quarter-finals.
Arsenal are also expected to announce the signing of France Under-20 worldwide Matteo Guendouzi, who is set to join from Lorient. Ozil was handed his favoured No 10 shirt after the departure of Jack Wilshere.
England trio Harry Kane , Kyle Walker and Harry Maguire are looking to guide their side to only their second World Cup final. Prediction France have improved after a slow start in the group stages where they made hard work of Australia and Peru.
Leaving the gathering, leading Brexiteer Jacob Rees-Mogg said he did not think there would be a confidence vote over Mrs May. The Brexit "dream is dying, suffocated by needless self-doubt", he said in the letter, which he posted to Twitter.
He is understood to have received treatment at John Paul II hospital, but NBC News report that he has since been discharged. Earlier that month George was seen driving around the island on a scooter with Amal clinging on tightly behind him.
Leaving the gathering, leading Brexiteer Jacob Rees-Mogg said he did not think there would be a confidence vote over Mrs May. Many pro-Brexit lawmakers were furious at what they saw as a sell-out of the clean Brexit they desire.
With the introduction of the new colour variant, the company has extended the variant range of its latest flagship device. The 256GB variant of the OnePlus 6 will be available in just Midnight Black colour option, and it comes with 8GB of RAM.
Clooney allegedly said that he was "fine" and that he would continue filming his Catch-22 mini-series in a few days. Clooney is in Sardinia to film a miniseries based on Joseph Heller's book " Catch 22 ", the news agency said.
Putin complained to Trump about the people who tried to stop the two men from talking, reporter Julie Hirschfeld Davis found. The president also took aim at the European Union, saying the U.S.is "being taken advantage of" by the economic bloc.
Chinese authorities have insisted Liu Xia, who has not been formally charged of any crime, has been free to move as she wishes. Those close to her say she suffers from heart ailments and depression, and has many times asked to leave China.
Bubba Watson , starting on the back nine, hurt his wrist on a bunker shot on No. 11 and finished the round and shot 2-under 68. After shooting an opening-round 65, Jason Kokrak backed that round up with a 64 Friday and sits just two shots back of Kraft.
As People notes, the ceremony was conducted by the Archbishop of Canterbury , the Most Reverend Justin Welby . Louis' great-grandparents, Queen Elizabeth and Prince Philip, were unable to attend the christening .
Baby found alive buried under debris in Montana woods
The sheriff's office said authorities were called to the Lolo Hot Springs area of Montana's Lolo National Forest at about 8 p.m. Crowley ran before cops arrived to the Lolo Hot Springs area but was later arrested thanks to further calls from locals.
Meghan Markle Goes for Green at Prince Louis’ Christening
The Archbishop of Canterbury, Justin Welby, who officiated their royal wedding on May 19, also presided over the christening. The Queen looked well after skipping Prince Louis's Christening on Monday, following a busy week in Scotland last week.
Fortnite Season 5 Teaser Image Released
That means players can get ready to explore a revamped map and collect new loot through the battle pass on Thursday, July 12. New map changes continue to be made in-game, suggesting that Epic Games have a lot planned for the start of the new season.
NASA's Kepler Telescope almost out of fuel, forced to nap
As engineers work to collect the data now aboard the spacecraft, researchers are analyzing data already returned to Earth. Considered the pioneer of planet hunting, it's discovered almost 3,000 confirmed worlds and as many potential candidates.
George Clooney reportedly hurt in motorcycle crash in Italy
The A-list couple are believed to have brought their parents to the island to help care for the children while George works. The paper also tweeted a photo of his scooter abandoned by the side of the road with a Mercedes estate auto just feet away.