Newcastle United are interested in signing the German defender Karim Coulibaly at the end of the season.The 18-year-old has impressed with Werder Bremen, and he could be on the move this summer. According to a report from Fabrizio Romano, Newcastle have now joined the race for his signature. The defendant is reportedly ready to embark on a new chapter in his career.Coulibaly has made his mark in the first team at Bremen and has established himself as an important player for the German outfit. He has the quality to succeed in English football as well, and the central defender could develop into a key player for Newcastle with the right guidance. They need more quality and depth in the defensive unit. They need to find quality long-term replacements for players like Dan Burn and Fabian Schar. The Germany under 21 international could be the ideal long-term investment for them.It will be interesting to see if Newcastle act on their interest with an official proposal at the end of the season. They have an exciting project, and they are looking to build an ambitious team. The young defender could be attracted to the idea of joining them. Regular exposure in the Premier League could help him develop further and accelerate his progress. Newcastle have the financial muscle to get the deal across the line as well.Romano claims that five other European clubs are also interested in signing the defender. Bremen will not want to lose a talented young player like him, and they will hope for a bidding war over his signature.Newcastle should look to move quickly in order to get ahead of their rivals in the race for Coulibaly’s signature.The post Newcastle plot summer swoop for German defender, five other clubs in the hunt appeared first on CaughtOffside.