By Nathan Ridley Manchester United and Newcastle are both ‘very interested’ in signing Barcelona defender Andreas Christensen. Christensen, 27, left Premier League heavyweights Chelsea 18 months ago, winning the La Liga title in his first season with Barca. Having graduated from the Blues’ youth academy, the Dane earned a reputation for being a ball-playing centre-back across 161 appearances for Chelsea, as well as during a star-making two-year loan spell with German side Borussia Monchengladbach. His decade-long stay at Stamford Bridge came to an end in the summer of 2022 after manager Thomas…