Kai Havertz needs to be offering more to the Chelsea cause, says Frank Leboeuf, with the £70 million ($90m) playmaker told he “disappears” too often when the Blues need him most.

Thomas Tuchel could be a “turning point” for Kai Havertz at Chelsea, says Tayfun Korkut, with a German coach being backed to bring the best out of a fellow countryman who has struggled to find any ...