The Moroccan doubled his account in a Chelsea shirt with a strike to open the scoring against Burnley, and produced a superb pass to set up a goal for Timo Werner with Kurt Zouma also finding the back of the net in an impressive 3-0 victory.
That result saw Lampard’s men move up to sixth in the Premier League, four points behind leaders and reigning champions Liverpool after seven fixtures.
The Blues are now being billed as potential title contenders, and Mount thinks Ziyech has added a new dimension to the team in the final third of the pitch.
“We know what he can do on the ball and what he brings to the team,” the England international said of the ex-Ajax star after the win at Burnley. “[He’s a] World-class player, obviously coming in and scoring the other night [against Krasnodar] and scoring on his Premier League debut. He’s a brilliant player.
“He’s a joy to play with, very clever on the ball, he brings a lot to the team. He’s a very good player.”