Coventry’s teenage substitute Stephen Mfuni, their youngest ever Premier League goalscorer, rolled in the fourth in the 86th minute at the Coventry Building Society Arena on Monday evening. By then any argument about the scoreline was over. Frank Lampard’s side had taken Newcastle apart.

Jack Rudoni converted a sixth-minute penalty, Sidiki Chérif added a second three minutes into the second half, and Ellis Simms finished with his first touch after coming on. Sven Botman had briefly dragged Newcastle back to 2-1 in the 70th minute.

The result was the first Premier League home victory of the season for a Coventry side that only returned to the top flight this summer, and it moved them clear of the relegation zone.

‘That’s the punishment in this league’

Matthias Jaissle, in charge since replacing Eddie Howe in August, did not try to soften what had happened.

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“It’s hard. That’s the punishment in this league,” he told reporters. “We controlled many phases but it’s not enough.”

“The games are decided in the boxes, and we were not clean in both boxes.”

The German coach apologised directly to the away supporters who had made the journey to the West Midlands on a Monday night.

“We can only apologise to the fans who came here; they deserve a different result,” Jaissle told Sky Sports.

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He stopped short of calling the display his team’s worst.

“Today, if you see the whole picture, it was not the worst game. But I apologise to the fans because they deserved a different result.”

Second 4-1 away hammering in a row

The defeat matched the 4-1 loss at Leeds United before the international break, and Newcastle have now shipped four or more goals in back-to-back top-flight away games for the first time since December 2012.

Jamie Carragher was blunt in his assessment on Sky Sports.

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“In their last two away games, they’ve been beaten up twice, and that’s got to stop very quickly.”

Newcastle sit 11th with eight points from six matches, according to Goal, and their 13 goals conceded is joint-worst in the division alongside Chelsea and Bournemouth.

Jaissle, who arrived from Al Ahli on a four-year deal in August after Newcastle paid compensation reported to exceed £9m, started his tenure with a five-game unbeaten run. This was his second defeat in three.

Newcastle host Aston Villa at St James’ Park on Saturday.

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