The German goalkeeper made a costly gaffe as the Gunners crashed out of Europe to their London rivals Chelsea in the quarter-finals. He spilled Claude Makelele's shot for Frank Lampard to score.

The striker burst on to the European stage this season after his impressive form for Red Bull Salzburg earned him a £17million transfer to Borussia Dortmund in January.

The club had requested that the players return to London as the club prepare for training at Cobham to start up again, and now the likes of Willian and Christian Pulisic are back.

CRAIG HOPE: There are more questions than answers right now when it comes to determining if and when Premier League football will return. Here, Sportsmail looks at some of the key talking points.

Premier League clubs were due to to reconvene on Friday to vote on plans to revive the season. However, they will now wait until Boris Johnson reveals the next phase of the UK's lockdown to meet

The Hertha Berlin forward posted a Facebook live in which he was seen fistbumping fellow forward Vedad Ibisevic and was also seen barging in on a team-mate getting a coronavirus test.

It's likely that the remaining 92 Premier League matches will be played at 'neutral' venues if the season can resume. But which of the top-flight stadiums is best equipped to stage the games?

Manchester United's top-four hopes would be bolstered, while Newcastle's fight against relegation would be worse if Premier League matches were shortened from the start this season.

The 19-year-old starlet's contract expires on July 1 and there are suggestions that Premier League sides - including Chelsea - are keen on snapping him up if he decides to end his time at Old Trafford.

Chelsea defender Fikayo Tomori has lauded manager Frank Lampard for giving him the confidence to emerge as one the club's breakthrough stars this season.

The worrying projection comes with leagues across Europe grappling with how to restart their campaigns, with France's Ligue 1 having already been forced to cancel.

The Bundesliga has been given the green light to resume in the coming weeks by German chancellor Angela Merkel - with May 15 the earliest possible day for a restart.

The Premier League's biggest clubs face a further financial headache and the risk of breaking sponsorship agreements over the cancellation of this summer's pre-season tours.

Juve boss Maurizio Sarri is keen to link-up with the 28-year-old midfielder for a third time. Jorginho played under the Italian at Napoli before following him to Stamford Bridge in 2018.

Assuming the takeover goes through, Newcastle's spending power would be transformed with former Tottenham manager Pochettino seen as the man to deliver a potential title challenge.

ALVISE CAGNAZZO IN ITALY: For the first time, sporting director Igli Tare has admitted that it is up to Milinkovic-Savic if he wants to leave the Stadio Olimpico.

Chelsea manager Frank Lampard has insisted his players will need a proper pre-season as he wrestles with getting his side back to fitness for Project Restart.  

Frank Lampard has highlighted a left-back as a priority signing this summer and has been a long term admirer of Chilwell, but could now move for Monaco's highly-rated left-back instead.

The 25-year-old has failed to make an impact at Stamford Bridge since joining for £40million and spent last season out on loan at AC Milan before re-joining Monaco, where he made his name.

The three asteroids flying by the Earth tonight range in size from the smallest at 55 feet to the largest at a whopping 255 feet in diameter. They will all be too far away to impact with the planet.

The Duke of Cambridge's dramatic intervention came as Britain recorded its hottest December day and unprecedented wildfires tore across drought-stricken Australia.

On Saturday, Christina Koch officially broke the record for the longest single space flight by a woman after 289 days aboard the International Space Station, passing mentor Peggy Whitson.

The eye of the Calvinia tropical storm was just east of the island of Mauritius before heading south, as shown by NASA imagery on Tuesday.

Devastating bushfires burning across Australia have generated massive clouds of smoke that can be seen from outer space. 

Smoke from Australia's bushfires has drifted 2,000km across the Tasman Sea, shrouding New Zealand .

The space agency released two satellite images of the South Australian island highlighting the horrific damage the bushfires have caused to the environment.

The core rocket stage of the so-called 'Space Launch System' (SLS) was constructed at NASA's Michoud Assembly Facility in New Orleans.

Satellite photos have captured the enormous scale of the devastating bushfires on Kangaroo Island off the coast of South Australia. 

A team of researchers from UCLA and NASA's JPL have detected the smallest quantities of dark matter ever, slow moving 'clumps' near quasars identified with new data from the Hubble.

On Wednesday, US space agency NASA revealed that it will be months before bushfire smoke clears since plumes are sitting so high the atmosphere.

California man Jonny Kim, 35, went from a Navy SEAL to Harvard medical doctor to NASA Astronaut, after graduating from training this month.

Laura Tobin broke down in tears on Good Morning Britain on Friday as she fulfilled her 'childhood dream' by visiting NASA.

Researchers at the University of Chicago used data from the Spitzer telescope to examine the planet, called KELT-9b, and find out just how inhospitable it is.

Former NASA astronaut Steven Lee Smith, 61, from Phoenix, Arizona claimed today on Lorraine that in decades to come, space tourism will become as common as travelling by airplane.

In images that surfaced online the rover's journey through Mars' landscape is laid bare. One the left is an image taken shortly after Curiosity landed on Mars while the right shows a snapshot from October.

NASA's HiRISE camera aboard the Mars Reconnaissance Orbiter provides new images of the crash site of the doomed Schiaparelli Lander that hit the Martian surface in 2016.

A 'beating heart' of frozen nitrogen on the surface of Pluto controls the dwarf planet's winds and may give rise to features on its surface, according to a new study using NASA data.

Mohammad-Javad Azari Jahromi, Tehran's information and communications technology minister, last week tweeted a picture of the silver outfit and sparked ridicule.

NASA Jet Propulsion Laboratory's Mars 2020 rover is heading to the Red Planet armed with a high-powered laser that can vaporize rocks from up to 20 feet away to search for life.

She's always the life and soul of every party - and Wednesday night was certainly no exception for Sinitta. The 56-year-old star tumbled into the back of a cab as she left the NME Awards 2020.

NASA captured a stunning image of what was once Lake Mega Chad 7,000 years ago. It stretched 150,000 square miles across the Sahara and would have been the largest on Earth today.

NASA will try to use a robotic arm attached to its InSight Lander to push down on a probe meant to drill into Martian soil which has struggled to achieve its mission throughout the past year.

Katherine Johnson, the NASA mathematician who helped pave the way for the first American astronaut to successfully orbit the Earth, died aged 101 on Monday morning.

According to NASA, the aerospace company didn't perform a full 'end-to-end' integration test of the software designed to automate maneuvers after the craft is launched into space.

The space agency says exploring different geological areas on the surface of Venus will provide insights into the planet's evolution and even our own climate.

Astronomers have released the first colorful image of Earth's mini-moon that was spotted Feb 15. However, the lead expert says the asteroid may actually be human-made debris.

While observing an asteroid using NASA's OSIRIS-REx spacecraft, students spotted a new flaring black hole in the constellation Columba that has been named MAXI J0637-430.

Former NASA engineer Mark Rober spent six months planning the stunt with Australian YouTubers How Ridiculous which ended up involving a two-tonne trampoline with 144 garage door springs.

The $117 million (£93 million) mission will launch on a SpaceX Falcon Heavy rocket in July 2022 from Cape Canaveral in Florida and head for Psyche 16 which orbits between Jupiter and Mars.

Michael Hetle, a NASA executive who also was a cop, was charged with fatally shooting Javon Prather, a neighbor he argued with over the years over poop that was left outside.