Sunderland Echo football reporter Chris Young tells us what to expect from new signing Simon Mignolet.

How good a goalkeeper have Liverpool signed?

Arguably the best in the Premier League. In his three years at Sunderland Mignolet constantly improved, and last season he was superb, almost making gravity-defying saves on a weekly basis. He was the one consistent performer in a struggling side and still managed 11 clean sheets, despite Sunderland finishing fourth bottom. It was a genuine surprise that Mignolet's fellow professionals voted David De Gea into the PFA Team of the Year ahead of him.

What's been the reaction of Sunderland fans?

Largely a pragmatic one. None are pleased to see Mignolet leave the club after his feats last season, where he'd really begun to form a strong bond with supporters. Fans recognised the clear quality and potential that Mignolet boasted. But in general, there has been a realisation that Sunderland are receiving good money for Mignolet and it was the right time to sell, given he was unlikely to sign a new contract at the Stadium of Light.

What is he like to deal with?

He's probably one of the most down-to-earth, sensible footballers you're likely to meet. Liverpool fans won't read about any tantrums from him. I can't remember an interview he ever turned down either. Even after he dropped a clanger against West Brom last season - his one glaring mistake of the campaign - he willingly faced the press afterwards.

What are his best qualities?

Some of his shot stopping is stunning, particularly when faced with a one-on-one. He's managed to perfect that Peter Schmeichel-esque star shape ploy in closing down an opponent. But just as importantly is his temperament. He doesn't get flustered or nervous. He's a level-headed guy who keeps his head in the heat of the battle. Even after a rare mistake, Mignolet doesn't let it dwell on his mind.

Does he remind you of any goalkeepers gone by?

Not really. I know I've compared his technique to Schmeichel, but he doesn't have the bark of the Dane. But it's become pretty evident over the last year or two that Mignolet was destined for one of the Premier League's heavyweights. He had that aura of authority and quality which stands out, particularly at such a young age.

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How good could he become?

He could comfortably develop into one of the best in the world. Not many goalkeepers have made almost 100 Premier League appearances by the age of 24, plus he knows the demands of playing regularly in front of a large and expectant crowd. Mignolet's immediate goal will be to re-claim his international jersey from Atletico Madrid's on-loan Chelsea keeper Thibault Courtois in time for the World Cup. That was one of the key factors behind him moving to Liverpool.

Anything else you think we should know about him?

He's a bright guy, speaks five languages and is studying a masters after completing a degree in political science while at Sunderland. He's also humble. He still drives the same Audi as when he first joined Sunderland three years ago.

Follow Chris @YoungSunEcho.