Theoklitos may be dropped after a disasterous debut
Norwich keeper Michael Theoklitos has admitted his debut for the Canaries was his worst ever performance.
The Australian conceded five goals within the opening 38 minutes as Colchester United won 7-1.
The 28-year-old was jeered by some Norwich supporters as they slipped to a record home defeat.
"It's the worst performance I've had in my career, I want to apologise to the fans on behalf of myself and the team," Theoklitos told BBC Radio Norfolk.
The former Melbourne Victory goalkeeper joined Norwich City in the summer on a free transfer and was heralded by manager Bryan Gunn as his number one transfer target.
"It was the toughest game I have ever been involved with in my career, it was one you want to forget quite quickly.
"We have been doing well in pre-season and dish that out in front of our home supporters was really disappointing, it wasn't good enough," said Theoklitos.
Norwich manager Gunn, a former goalkeeper himself, has backed Theoklitos to bounce back from his horrendous debut.
"Michael is a strong character, that's one of the reasons we brought him to the club," said Gunn.
"We need to asses him to make sure everything physically and mentally is right and I am sure if he was put down on the teamsheet [at Yeovil in the Carling Cup on Tuesday] he'd be the first to try and make up for individual errors made on Saturday."
Theoklitos's position in the starting line-up could come under pressure from Ben Alnwick, who is on loan to the Canaries from Tottenham.
Teenager Declan Rudd is also waiting in the wings.
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