Thomas Tuchel urged "soft"&nbsp;Chelsea&nbsp;to toughen up after a shock 2-1 defeat against Southampton plunged his spluttering team into Premier League turmoil on Tuesday. Tuchel's side blew the lead at St Mary's after Raheem Sterling put them ahead midway through the first half. England forward Sterling bagged his third goal in two games with a close-range strike in the 23rd minute.

But&nbsp;Chelsea&nbsp;had squandered a host of chances before Sterling's opener and, not for the first time in Tuchel's reign, their profligate finishing came back to haunt them. Romeo Lavia equalized in the 28th minute with his first goal for Southampton, curling home from the edge of the area after&nbsp;Chelsea&nbsp;failed to clear a corner.

Adam Armstrong put Southampton ahead on the stroke of half-time as he took Romain Perraud's pass and drilled a deflected shot past&nbsp;Chelsea&nbsp;keeper Edouard Mendy. Chelsea, beaten 3-0 at Leeds in their previous away fixture, were unable to muster a response as they slipped to a second defeat from their last three games.

"Soft, soft, soft defending. There is no need to give shots away. Just toughen up as a team and show a different mentality," Tuchel said.

With just two wins from their first five matches, the Blues are already five points behind leaders Arsenal, who play their game in hand against Aston Villa on Wednesday. Despite a significant close-season spending spree, which is set to continue with several more signings mooted before Thursday's transfer deadline,&nbsp;Chelsea&nbsp;are struggling to find any sustained momentum at present.

While it is too early to write them out of the title race, Tuchel will be concerned by his team's latest sloppy display -- with key mistakes at both ends of the pitch -- having already criticised them publicly after the Leeds loss.

"It is too easy to put us off balance, to beat us, to confuse us. It is too easy. It happened against Leeds. We need to understand why and find solutions," Tuchel said. "We lose concentration, we lose our plan and lose consistency. I don't understand why we have so many injuries. "In a match where you are in the lead there is no need to give away half-chances. To have no answers in the second half was disappointing."

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<h2>- Everton frustrated -</h2>

Everton's wait for a first win this season goes on after Luis Sinisterra's first league goal for Leeds earned a 1-1 draw at Elland Road. Frank Lampard's team went ahead when Alex Iwobi's incisive pass was flicked through the legs of Diego Llorente by Anthony Gordon, whose clinical finish capped a superb move in the 17th minute.

But Colombia winger Sinisterra marked his first start for Jesse Marsch's men in memorable fashion with a composed finish from Brenden Aaronson's pass in the 55th minute. Fulham ended Brighton's unbeaten start to the season with a 2-1 win at Craven Cottage that lifted them to sixth place.

Fourth-placed Brighton had won three of their first four games, but Marco Silva's promoted side broke the deadlock in the 48th minute through Aleksandar Mitrovic's fifth goal this season. Neeskens Kebano provided the pass and Serbia striker Mitrovic tapped in at the far post for his 100th league goal for the Cottagers.

Fulham doubled their lead seven minutes later as Brighton defender Lewis Dunk diverted Andreas Pereira's cross into his own net.Alexis Mac Allister converted a 60th minute penalty for Brighton after Pervis Estupinan fouled Bobby De Cordova-Reid.

Yoane Wissa's late leveller rescued Brentford in their 1-1 draw at Crystal Palace. Wilfried Zaha showed why Arsenal and&nbsp;Chelsea&nbsp;have been linked with him as the Ivory Coast forward gave Palace the lead with a brilliant strike from the edge of the area after 59 minutes. But Wissa was left unmarked to equalise with a close-range header in the 88th minute.

Thomas Tuchel urged "soft" Chelsea to toughen up after a shock 2-1 defeat against Southampton plunged his spluttering team into Premier League turmoil on Tuesday.

Thomas Tuchel urged "soft" Chelsea to toughen up after a shock 2-1 defeat against Southampton plunged his spluttering team into Premier League turmoil on Tuesday. Tuchel's side blew the lead at St Mary's after Raheem Sterling put them ahead midway through the first half. England forward Sterling bagged his third goal in two games with a close-range strike in the 23rd minute. But Chelsea had squandered a host of chances before Sterling's opener and, not for the first time in Tuchel's reign, their profligate finishing came back to haunt them. Romeo Lavia equalized in the 28th minute with his first goal for Southampton, curling home from the edge of the area after Chelsea failed to clear a corner. Adam Armstrong put Southampton ahead on the stroke of half-time as he took Romain Perraud's pass and drilled a deflected shot past Chelsea keeper Edouard Mendy. Chelsea, beaten 3-0 at Leeds in their previous away fixture, were unable to muster a response as they slipped to a second defeat from their last three games. "Soft, soft, soft defending. There is no need to give shots away. Just toughen up as a team and show a different mentality," Tuchel said. With just two wins from their first five matches, the Blues are already five points behind leaders Arsenal, who play their game in hand against Aston Villa on Wednesday. Despite a significant close-season spending spree, which is set to continue with several more signings mooted before Thursday's transfer deadline, Chelsea are struggling to find any sustained momentum at present. While it is too early to write them out of the title race, Tuchel will be concerned by his team's latest sloppy display -- with key mistakes at both ends of the pitch -- having already criticised them publicly after the Leeds loss. "It is too easy to put us off balance, to beat us, to confuse us. It is too easy. It happened against Leeds. We need to understand why and find solutions," Tuchel said. "We lose concentration, we lose our plan and lose consistency. I don't understand why we have so many injuries. "In a match where you are in the lead there is no need to give away half-chances. To have no answers in the second half was disappointing." ALSO READ | Manchester United agree deal to sign highly-rated Brazilian winger Antony from Ajax - Everton frustrated - Everton's wait for a first win this season goes on after Luis Sinisterra's first league goal for Leeds earned a 1-1 draw at Elland Road. Frank Lampard's team went ahead when Alex Iwobi's incisive pass was flicked through the legs of Diego Llorente by Anthony Gordon, whose clinical finish capped a superb move in the 17th minute. But Colombia winger Sinisterra marked his first start for Jesse Marsch's men in memorable fashion with a composed finish from Brenden Aaronson's pass in the 55th minute. Fulham ended Brighton's unbeaten start to the season with a 2-1 win at Craven Cottage that lifted them to sixth place. Fourth-placed Brighton had won three of their first four games, but Marco Silva's promoted side broke the deadlock in the 48th minute through Aleksandar Mitrovic's fifth goal this season. Neeskens Kebano provided the pass and Serbia striker Mitrovic tapped in at the far post for his 100th league goal for the Cottagers. Fulham doubled their lead seven minutes later as Brighton defender Lewis Dunk diverted Andreas Pereira's cross into his own net.Alexis Mac Allister converted a 60th minute penalty for Brighton after Pervis Estupinan fouled Bobby De Cordova-Reid. Yoane Wissa's late leveller rescued Brentford in their 1-1 draw at Crystal Palace. Wilfried Zaha showed why Arsenal and Chelsea have been linked with him as the Ivory Coast forward gave Palace the lead with a brilliant strike from the edge of the area after 59 minutes. But Wissa was left unmarked to equalise with a close-range header in the 88th minute.

Thomas Tuchel calls 'soft' Chelsea to toughen up after shock defeat vs Southampton

Chelsea&nbsp;needed a penalty shootout for the second consecutive round to reach the quarter-finals of the League Cup as they edged past Southampton, while a much-changed Arsenal beat Leeds 2-0 on Tuesday.

Kepa Arrizabalaga was the&nbsp;Chelsea&nbsp;hero as he made a string of late saves to deny Saints a place in the last eight as the game at Stamford Bridge ended 1-1 after 90 minutes.

Both goals came minutes either side of half-time as Kai Havertz headed&nbsp;Chelsea&nbsp;into the lead before Southampton hit back quickly when Che Adams bundled the ball home after Kepa parried Kyle Walker-Peters' shot.

The Spain goalkeeper saved from Will Smallbone, Mohammed Salisu and Lyanco to take the tie to a shootout.

Kepa then denied Theo Walcott from the spot and Smallbone blasted over as&nbsp;Chelsea&nbsp;progressed despite Mason Mount's penalty being saved by Fraser Forster.

Two goals in 14 second-half minutes from Callum Chambers and Eddie Nketiah took Arsenal through at the Emirates.

ALSO READ:&nbsp;<a href="https://www.wionews.com/sports/pressure-mounts-on-manchester-united-manager-ole-gunnar-solskjaer-after-liverpool-drubbing-423936">Pressure mounts on Manchester United manager Ole Gunnar Solskjaer after Liverpool drubbing</a>

Mikel Arteta had named a strong side in the previous two rounds with the Gunners not involved in European football for the first time in 25 seasons.

But the Spaniard made nine changes from the side that started Friday's 3-1 win over Aston Villa.

Leeds boss Marcelo Bielsa attempted to lift his side from a slump with just four changes from a 1-1 draw with Wolves on Saturday as England international Kalvin Phillips made his return from injury.

The visitors enjoyed the better of the first-half, but paid a heavy price for failing to make it count.

Chambers had barely been on the pitch for a minute after replacing Benjamin White when he forced the ball over the line from a corner to open the scoring.

Eddie Nketiah then made the most of a rare start to seal the tie against his former club.

The England under-21 international pounced on a slack header towards his own goal from Liam Cooper and scooped the ball over Illan Meslier before getting a slice of luck as his mishit finish bobbled into the net.

"We understood the game and what we had to do, we did this the right way," said Arteta.

ALSO READ:&nbsp;<a href="https://www.wionews.com/sports/Premier%20League:%20Mohamed%20Salah%20scores%20hat-trick%20as%20Liverpool%20put%20five%20past%20shambolic%20Manchester%20United">Premier League: Mohamed Salah scores hat-trick as Liverpool put five past shambolic Manchester United</a>

"They gave us some issues, they always do, but we created a lot of shots and situations without being very clinical, we adjusted a few things at half time and we were better and stronger."

League One side Sunderland are also into the quarter-finals as they beat Queen's Park Rangers 3-1 on penalties after a 0-0 draw at Loftus Road.

Chelsea needed a penalty shootout for the second consecutive round to reach the quarter-finals of the League Cup as they edged past Southampton, while a much-changed Arsenal beat Leeds 2-0 on Tuesday.

Chelsea needed a penalty shootout for the second consecutive round to reach the quarter-finals of the League Cup as they edged past Southampton, while a much-changed Arsenal beat Leeds 2-0 on Tuesday. Kepa Arrizabalaga was the Chelsea hero as he made a string of late saves to deny Saints a place in the last eight as the game at Stamford Bridge ended 1-1 after 90 minutes. Both goals came minutes either side of half-time as Kai Havertz headed Chelsea into the lead before Southampton hit back quickly when Che Adams bundled the ball home after Kepa parried Kyle Walker-Peters' shot. The Spain goalkeeper saved from Will Smallbone, Mohammed Salisu and Lyanco to take the tie to a shootout. Kepa then denied Theo Walcott from the spot and Smallbone blasted over as Chelsea progressed despite Mason Mount's penalty being saved by Fraser Forster. Two goals in 14 second-half minutes from Callum Chambers and Eddie Nketiah took Arsenal through at the Emirates. ALSO READ: Pressure mounts on Manchester United manager Ole Gunnar Solskjaer after Liverpool drubbing Mikel Arteta had named a strong side in the previous two rounds with the Gunners not involved in European football for the first time in 25 seasons. But the Spaniard made nine changes from the side that started Friday's 3-1 win over Aston Villa. Leeds boss Marcelo Bielsa attempted to lift his side from a slump with just four changes from a 1-1 draw with Wolves on Saturday as England international Kalvin Phillips made his return from injury. The visitors enjoyed the better of the first-half, but paid a heavy price for failing to make it count. Chambers had barely been on the pitch for a minute after replacing Benjamin White when he forced the ball over the line from a corner to open the scoring. Eddie Nketiah then made the most of a rare start to seal the tie against his former club. The England under-21 international pounced on a slack header towards his own goal from Liam Cooper and scooped the ball over Illan Meslier before getting a slice of luck as his mishit finish bobbled into the net. "We understood the game and what we had to do, we did this the right way," said Arteta. ALSO READ: Premier League: Mohamed Salah scores hat-trick as Liverpool put five past shambolic Manchester United "They gave us some issues, they always do, but we created a lot of shots and situations without being very clinical, we adjusted a few things at half time and we were better and stronger." League One side Sunderland are also into the quarter-finals as they beat Queen's Park Rangers 3-1 on penalties after a 0-0 draw at Loftus Road.

Carabao Cup: Chelsea edge past Southampton to reach quarterfinals, Arsenal beat Leeds 2-0

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Thomas Tuchel calls 'soft' Chelsea to toughen up after shock defeat vs Southampton

Carabao Cup: Chelsea edge past Southampton to reach quarterfinals, Arsenal beat Leeds 2-0