Hakim Ziyech's late volley was enough for Chelsea to secure a narrow 1-0 win against Crystal Palace on Saturday, but the performance of Romelu Lukaku has been called into question by Alan Shearer.
Fresh from their FIFA Club World Cup success. there was an expectation that Thomas Tuchel's side would be full of confidence in south London.
But the game seemed destined to finish 0-0 until Ziyech emerged in the 89th minute to volley home a winner. However, it was a performance that raised more questions than it answered.
