Late change! Due to an injury in the warmup, Pedro has had to drop out of today's match. Ross Barkley takes his place in the Chelsea starting XI.
Today's referee is Martin Atkinson.
With a goal against Chelsea, Teemu Pukki can become the 10th player to score in his first three Premier League appearances and only the second to net as many as five goals in his first three matches, after Pavel Pogrebnyak for Fulham.
Fact: Norwich are looking to win a third consecutive Premier League home match for the first time since a run of five victories in December 2012.
Fact: Chelsea are unbeaten in their last 10 Premier League meetings with Norwich City (W8 D2), last losing 3-0 at Carrow Road in 1994.
Chelsea subs: Caballero (GK), Tomori, Alonso, Barkley, Willian, Batshuayi, Giroud.
Chelsea starting XI: Kepa; Azpilicueta, Christensen, Zouma, Emerson; Jorginho, Kovacic; Pedro, Mount, Pulisic; Abraham.
Norwich subs: Fahrmann (GK), Byram, Klose, Vrancic, McLean, Tettey, Srbeny.
Norwich starting XI: Krul; Aarons, Hanley, Godfrey, Lewis; Leitner, Trybull; Cantwell, Stiepermann, Buendia; Pukki.
Hello and welcome to today's coverage of the English Premier League! It's Norwich City vs. Chelsea from Carrow Road with kickoff at 12.30pm UK time.
We're underway at Carrow Road as Chelsea kickoff.
Norwich have made a good start here and are keeping possession very well.
GOAL FOR CHELSEA! Pulisic links up with Azpilicueta on the right and the latter puts in a lovely cross for Tammy Abraham to finish off. Norwich 0-1 Chelsea!
GOAL FOR NORWICH! The home side were not behind for long. Pukki gets away up the left and squares for Cantwell to equalise from close range. Norwich 1-1 Chelsea.
Norwich continue on the front foot and are playing very well here in front of their own fans.
Jorginho tries a long pass for Abraham for Chelsea but it is easily intercepted by Hanley.
Kovacic links up well with Pulisic on Chelsea's right but the former can't pick out either Abraham or Mount with his cross and Norwich defend the attack well.
Kovacic bursts through midfield and is pulled back by Stiepermann but referee Atkinson decides not to give a yellow card.
GOAL FOR CHELSEA! Norwich give the ball away in their own half and Pulisic picks out Mount to rifle in Chelsea's second goal. A poor error by the home side and a lovely finish by the 20 year old. Norwich 1-2 Chelsea.
Chelsea are sitting off a little bit now and allowing Norwich to have the ball. Pulisic intercepts and tries to counter, but Godfrey makes a good tackle.
Chelsea switch the play to Emerson and he hits a shot at goal, but Hanley blocks well.
Mount and Abraham link well inside the box for Chelsea and both players get shots away, but Norwich block both attempts.
Chance for Chelsea. Emerson whips in a cross after a corner and Christensen heads towards goal, but Krul makes a superb save to deny the Dane.
Score update: Norwich 1-2 Chelsea.
GOAL FOR NORWICH! Pukki runs off the back of Zouma onto a pass to finish past Kepa, who can only get a weak hand on the attempt. Norwich 2-2 Chelsea.
Yellow card! Jorginho goes into the book for clattering his man. A poor challenge from the Brazilian-born, Italian international who has struggled to defend throughout this first half.
Chance for Norwich! Buendia fires in a shot after a freekick, Kepa can only parry the attempt and Hanley can't finish off the rebound.
Pulisic gets forward for Chelsea on the right but overhits his cross and it goes over everyone and out for a goalkick.
Barkley has a shot for Chelsea, but his attempt is blocked and Pulisic can't control the loose ball.
Yellow card! Stiepermann finally goes into the book for Norwich for a sliding tackle that catches Jorginho.
Chance for Chelsea! Barkley picks out Pulisic's run and the American cuts past his man but Norwich block another attempt well.
Half-time. Norwich 2-2 Chelsea.
Chance for Chelsea! Pulisic sets up Barkley for a shoot in a great position but he fires over the bar wildly.
The fourth official indicates two minutes of additional time to be played.
Norwich launch a counter but Kepa does well to beat Pukki to the ball and clear to safety.
Chelsea win the ball high up through Barkley, he finds Mount, but the youngster drags his shot wide.
The second half is underway as Norwich get things going.
A good opening for Chelsea as Pulisic is released up the right, but he fires into the side netting from a narrow angle.
Kovacic delivers a cross from the right, it's headed clear and Jorginho drives a shot into a defender and out for a corner. From the resulting corner, Azpilicueta heads over from Mount's delivery.
An opening for Chelsea as Abraham plays a ball around the corner for Pulisic but Lewis easily outmuscles the diminutive American winger.
Barkley makes a mazy run past some Norwich players and sets up Azpilicueta who a shot into the crowd, which is blocked. Chelsea are on top in this second half so far.
Chance for Chelsea! Mount picks out Emerson inside the box and the left back drives a shot at goal, but Tim Krul saves well.
Score update: Norwich 2-2 Chelsea.
Barkley tries another shot from long-range, but it's straight at Krul.
Chance for Norwich! Pukki cuts inside from the left and tests Kepa with a good shot.
GOAL FOR CHELSEA! Abraham fires in his second goal of the game and his first ever career goal from outside the box after 61 goals in a row from inside the area. Norwich 2-3 Chelsea.
Norwich win their first corner of the game as Godfrey easily runs past Kovacic and Jorginho. From the resultant delivery, Godfrey hits the crossbar with a header. Close!
Good play from Norwich as Leitner picks out Buendia on the left and he fires a lovely delivery across the box, but Pukki is nowhere to be seen.
SUB: Olivier Giroud replaces Tammy Abraham for Chelsea.
Chelsea have the ball in the net through Zouma, but the referee has over-ruled it for a foul from Giroud on goalkeeper, Krul. That's a very harsh decision.
Chance for Chelsea! Kovacic kes a fantastic dribble through midfield and picks out Pulisic but the chance is wasted by the 20 year old.
Triple sub! Norwich make three changes as Leitner, Stiepermann and Trybull go off with Srbeny, Vrancic and McLean all coming on. Very bold move by coach, Daniel Farke.
Sub: Chelsea replace Christian Pulisic and bring on Willian.
Mount is down and receiving treatment for Chelsea.
Full time: Norwich 2-3 Chelsea. A first win of the season for Chelsea and Frank Lampard as Tammy Abraham scores a brace and Mason Mount gets the other. Norwich's goals were scored by Cantwell and Pukki.
Zouma wins an aggressive header and Chelsea go forward from the clearance, but Willian fires a shot into the side netting.
Barkley hits another shot and Krul tips the shot past the post and out for a corner to Chelsea.
The fourth official indicates five minutes of additional time to be played.
Sub: Marcos Alonso replaces Mason Mount for Chelsea.