The La Liga outfit confirmed the injury news on Friday afternoon ahead of the weekend's action - in which Atletico take on Real Betis on Sunday afternoon.

Wales welcome Spain to the Principality Stadium in a friendly fixture ahead of their UEFA Nations League clash against the Republic of Ireland on Tuesday. Follow all the action here.

Atletico Madrid have edged past Catalan minnows Sant Andreu in the first leg of their Copa del Rey clash on Tuesday evening courtesy of a first-half strike from Gelson Martins. 

Atletico Madrid have confirmed Diego Costa will have an operation on his left foot in Brazil this week. The surgery will keep him out until February.

Diego Costa proved he has lost none of his mischievousness since leaving Chelsea for a return to Spain in 2017 by playing a hilarious prank on his brother.

Away from the main action, there were several talking points which may have slipped under your radar. Don't fear, Sportsmail is here to catch you up on the things you missed...

The video assistant referee (VAR) system was once again on everybody's lips and keyboards on Wednesday night as the Champions League trial threw up a few controversial incidents.

A World Cup winner who has played with some of football's biggest talents, Antoine Griezmann was never going to be short of options when it came to choosing his dream five-a-side team.

PETE JENSON IN SPAIN: There isn’t a single Atletico Madrid supporter who hasn’t dreamed of it: June 1, winning the Champions League in their own stadium, third time lucky.

KIERAN GILL - THE NUMBERS GAME: Chelsea lost Costa in 2017. Morata could not fill his boots, while Giroud has long been deemed a back-up striker. Now it is Gonzalo Higuain’s turn.

John Terry has spoken about his future managerial ambitions and also revealed some of the bizarre superstitions he had as a player. He had a variety of unusual quirks.

Atletico Madrid striker Diego Costa was sent off for dissent during Saturday's defeat by Barcelona after reportedly aiming a vile insult to the referee regarding his mother.

Diego Costa may have played his last game for Atletico Madrid depending on Wednesday's Spanish Football Federation decision on how many games he will be banned for after his red card.

Atletico Madrid are ready to cut ties with Diego Costa and sell him in the summer transfer window - despite Diego Simeone wanting him to remain at the club.

INTERVIEW BY PETE JENSON: Valencia defender Gabriel Paulista will never forget the moment he knew he’d arrived in English football. It was his Arsenal debut against Everton.

The Atletico Madrid striker played an old school yard trick on an unassuming young mascot before the friendly with Beitar Jerusalem.

Despite Everton having overspent their budget, leaving director of football Marcel Brands the task of reducing a bloated squad, Moshiri has indicated he is willing to pay for a marquee signing up front.

Diego Costa is ready to talk to Everton over a stunning return to the Premier League after two years away, according to The Sun.

Atletico Madrid have been hit with a setback after in-form striker Alvaro Morata was ruled out of the upcoming match with Eibar due to a knee injury.

Costa played up front with Griezmann for a season and a half under Diego Simeone's stewardship and believes the want-away Frenchman left the club for the right reasons.

Only when the dark nights have been and gone and this tournament reaches its late stages, will we find out whether Pep Guardiola has what it takes to resolve the frailties at the back of his team.

Eden Hazard's current manager at Real Madrid, Zinedine Zidane, scored an incredible match-deciding volley in the 2002 Champions League final as Real Madrid beat Bayer Leverkusen.

The 30-year-old is generating interest and Al Rayyan see Costa as a viable alternative to Juventus forward Mario Mandzukic, after talks broke down to acquire the Croatian this summer.

Fikayo Tomori first made a name for himself as he came through the ranks at Chelsea when he broke Diego Costa's nose. Now it is his central defensive displays which have got people talking.

Manchester United decided to let Romelu Lukaku leave in the summer without bringing in a replacement, although they are expected to snap a striker up in the January transfer window.

Atletico Madrid striker Alvaro Morata scored for the sixth game in a row to help his side to a 3-1 win at home to struggling Espanyol on Sunday, taking them up to third in La Liga.

Atletico Madrid striker Diego Costa is facing at least three months out on the sidelines after undergoing surgery on a back problem.

PETE JENSON IN SPAIN: Atletico are eight points off the lead in La Liga, on Thursday night they were dumped out of the Copa del Rey by a third division side and Liverpool loom on the horizon in Europe.

Saul Niguez gave the hosts the lead in the fourth minute and defended well to keep out a dominant Liverpool in the second half. DOMINIC KING was there to rate the players' performances.

IAN LADYMAN: Football has a bigger heart and much greater intelligence than many may think and during this tricky time we are beginning to see it but the game needs to do more to publicise it.

President Donald Trump said North Korea's special representative to the U.S. for nuclear negotiations had not been assassinated and said he looks forward to meeting again with Kim Jong-un.

The North Korean mass games are a spectacle of gymnastic synchronisation believed to be the world's 'biggest human performance' held at Rungrado, reportedly the world's biggest stadium.

South Bend, Indiana Mayor Pete Buttigieg vowed that he wouldn't write 'love letters' on White House letterhead to North Korean leader Kim Jong Un if he became president - a jab at Donald Trump.

In one shot,  locals enjoy a feast of wine and biscuits, in another a local dignitary is carried through a provincial village.

Alex Sigley, a 29-year-old student of Korean Literature at Kim Il Sung University, has been arrested and the Australian government is frantically trying to work out why.

An Australian exchange student who ran tours in North Korea has been arrested after posting about life in the secretive country.

Alek Sigley's wife Yuka Morinaga said she received her last message from him on Monday. The 26-year-old, who is based in Tokyo, usually speaks to Mr Sigley every day on WhatsApp.

Perth man Alek Sigley, missing in North Korea, may have been silenced ahead of US President Donald Trump's visit to the demilitarized zone, an expert said on Friday.

Trump heads to the DMZ on Sunday, after tweeting from the G-20 in Osaka: 'If Chairman Kim of North Korea sees this, I would meet him at the Border/DMZ just to shake his hand and say Hello(?)!'

Alek Sigley hasn't been heard or seen since Tuesday morning and is believed to be detained in North Korea.

President Trump still isn't saying for certain he will meet Kim Jong-un at the DMZ, just hours before he takes his trip there.

Former federal MP Michael Johnson, who has visited North Korea three times, fears Australian exchange student Alek Sigley has been physically abused in detention.

Carlson watched the notoriously heavy smoker speaking to Trump as Kim welcomed the US president into North Korea - the first ever to ever set foot in the secretive state.

Two Bradley Fighting vehicles were seen being driven past the Nationals' baseball stadium on Tuesday. Two M1 Abrams tanks and an armored M88 recovery unit will be at the 'Salute to America' event.

As final preparations are made for Donald Trump's elaborate 'Salute to America' July Fourth celebration in Washington on Thursday, not everyone is as excited as the president himself.

Donald Trump promised the 'show of a lifetime' for the Fourth of July and said the cost of his extravaganza will 'be very little compared to what it is worth' as questions arise about the final tally.

Australian exchange student Alek Sigley's release from North Korea occurred just four days after Donald Trump set foot in the secretive communist nation to meet with Kim Jong-un.

An Australian student was freed from the clutches of North Korea after a colourful Swedish politician urged the hermit kingdom to let him go.

The Australian student's business partner, Michelle Joyce, said she would 'be surprised' if he didn't return to the country despite the negative experience.

Alek Sigley, 29, landed in China safe and well on Thursday after spending nine days detained in the communist country.