Manchester United manager Ole Gunnar Solskjaer said his team's defending in the first half of Wednesday's 2-1 Champions League defeat by Istanbul Basaksehir was "unforgivable".
United went behind after 12 minutes in Turkey when Edin Visca's pass found Demba Ba in space at the halfway line and the striker ran forward before finishing past Dean Henderson.
Basaksehir doubled their lead before the break when Juan Mata lost possession and Ba turned provider for Visca to score.
"The first one is that we play a short corner and forget about the man up top. That's unforgivable ... We've not done our roles, it's my responsibility," Solskjaer told reporters.
"You don't see goals like that at this level. You shouldn't concede easy goals like that. When you do, it makes winning matches a lot harder."
Former United midfielder Paul Scholes said their defending was "embarrassing".
"It's completely down to organisation. It's like under-10s football. What the defence were doing I have no idea," Scholes told BT Sport.
"The goal is comical, laughable."
The defeat came on the heels of Sunday's 1-0 Premier League loss to Arsenal and while the results have prompted speculation Solskjaer's job could be on the line the Norwegian said it was not the time to panic.
"It's early on. Opinions are there all the time. We have to stay strong," Solskjaer added.
United travel to Everton in the league on Saturday.
Meanwhile, RB Leipzig fought back to beat Paris St Germain 2-1 at home in a pulsating Champions League Group H clash that kept them on course for a last-16 spot while putting the French side, who finished the game with nine men, in a precarious position.
Angel Di Maria had given PSG an early lead, but he then missed a penalty and goals from Christopher Nkunku and Emil Forsberg turned the encounter on its head.
The outcome left Leipzig second in the group on six points from three games, the same tally as leaders Manchester United who beat them 5-0 in the previous round but suffered a shock 2-1 defeat at Istanbul Basaksehir earlier in the day.
Third-placed PSG, who beat Leipzig 3-0 in last season's one-off semi-final in August, have three points, level with bottom of the table Basaksehir.
PSG made a bright start as Di Maria gave them a sixth-minute lead, threading the ball past goalkeeper Peter Gulacsi with the outside of his foot from close range after he was put through by Moise Kean.
That, however, was as good as it got for the visitors, who had Idrissa Gueye and Presnel Kimpembe sent off in the second half for two bookable fouls.
It all started going downhill for last season's Champions League runners-up after Gulacsi superbly saved Di Maria's 16th-minute penalty given after Kean's shot struck centre back Dayot Upamecano on the arm.
Di Maria and Kean then had goals ruled out for offside in quick succession before Nkunku levelled out of the blue in the 42nd minute with a crisp low shot from the edge of the area following good work by Angelino.
Forsberg missed a gilt-edged chance for Leipzig early in the second half but made no mistake with a 57th-minute penalty awarded after Presnel Kimpembe handled a seemingly innocuous Angelino cross.
From there on things only got worse for PSG as Gueye was sent off in the 68th minute and Kimpembe also received his marching orders in stoppage time, as the visitors ran out of steam.
PSG showed plenty of attacking flair in the opening half but ultimately missed injured forwards Neymar and Kylian Mbappe as well as striker Mauro Icardi, with midfielders Julian Draxler and Marco Verratti also sidelined.
- Reuters
Solskjaer slams Man Utd defending after defeat at Basaksehir
Image: MURAD SEZER / REUTERS
Manchester United manager Ole Gunnar Solskjaer said his team's defending in the first half of Wednesday's 2-1 Champions League defeat by Istanbul Basaksehir was "unforgivable".
United went behind after 12 minutes in Turkey when Edin Visca's pass found Demba Ba in space at the halfway line and the striker ran forward before finishing past Dean Henderson.
Basaksehir doubled their lead before the break when Juan Mata lost possession and Ba turned provider for Visca to score.
"The first one is that we play a short corner and forget about the man up top. That's unforgivable ... We've not done our roles, it's my responsibility," Solskjaer told reporters.
"You don't see goals like that at this level. You shouldn't concede easy goals like that. When you do, it makes winning matches a lot harder."
Former United midfielder Paul Scholes said their defending was "embarrassing".
"It's completely down to organisation. It's like under-10s football. What the defence were doing I have no idea," Scholes told BT Sport.
"The goal is comical, laughable."
The defeat came on the heels of Sunday's 1-0 Premier League loss to Arsenal and while the results have prompted speculation Solskjaer's job could be on the line the Norwegian said it was not the time to panic.
"It's early on. Opinions are there all the time. We have to stay strong," Solskjaer added.
United travel to Everton in the league on Saturday.
Meanwhile, RB Leipzig fought back to beat Paris St Germain 2-1 at home in a pulsating Champions League Group H clash that kept them on course for a last-16 spot while putting the French side, who finished the game with nine men, in a precarious position.
Angel Di Maria had given PSG an early lead, but he then missed a penalty and goals from Christopher Nkunku and Emil Forsberg turned the encounter on its head.
The outcome left Leipzig second in the group on six points from three games, the same tally as leaders Manchester United who beat them 5-0 in the previous round but suffered a shock 2-1 defeat at Istanbul Basaksehir earlier in the day.
Third-placed PSG, who beat Leipzig 3-0 in last season's one-off semi-final in August, have three points, level with bottom of the table Basaksehir.
PSG made a bright start as Di Maria gave them a sixth-minute lead, threading the ball past goalkeeper Peter Gulacsi with the outside of his foot from close range after he was put through by Moise Kean.
That, however, was as good as it got for the visitors, who had Idrissa Gueye and Presnel Kimpembe sent off in the second half for two bookable fouls.
It all started going downhill for last season's Champions League runners-up after Gulacsi superbly saved Di Maria's 16th-minute penalty given after Kean's shot struck centre back Dayot Upamecano on the arm.
Di Maria and Kean then had goals ruled out for offside in quick succession before Nkunku levelled out of the blue in the 42nd minute with a crisp low shot from the edge of the area following good work by Angelino.
Forsberg missed a gilt-edged chance for Leipzig early in the second half but made no mistake with a 57th-minute penalty awarded after Presnel Kimpembe handled a seemingly innocuous Angelino cross.
From there on things only got worse for PSG as Gueye was sent off in the 68th minute and Kimpembe also received his marching orders in stoppage time, as the visitors ran out of steam.
PSG showed plenty of attacking flair in the opening half but ultimately missed injured forwards Neymar and Kylian Mbappe as well as striker Mauro Icardi, with midfielders Julian Draxler and Marco Verratti also sidelined.
- Reuters
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