The paperwork on the deal was completed just before Thursday's loan deadline and John will train with his new team-mates on Friday.
Cardiff 8/11, Draw 13/5, Ipswich 4/1
Manchester United and Southampton go head to head in the EFL Cup final on Sunday - 41 years on from Saints' most famous day.
Manchester United v Southampton - Jose Mourinho's well-drilled machine versus the constantly regenerating upstarts.
The latest gossip and rumours from the newspapers and online:EDEN HAZARD has been engaged in months of secret talks with
Leicester have sacked manager Claudio Ranieri nine months a stunning Premier League title success last season.
Leicester have sacked Claudio Ranieri as they face up to a relegation battle just nine months after their stunning Premier League title.
Leicester's euphoria at winning the league last season has evaporated, with Claudio Ranieri leaving the club.