Champions League last-16 first legs - use play icon to watch 5 Live Final Score
Gnabry hammers in Lewandowski's cut-back and finishes slick move for two goals in three minutes
German striker has six goals in London this season
Lewandowski adds third for Bundesliga champions, Chelsea's Alonso sent off for arm in face of Pole
Chelsea have reached knockout stages of Champions League 14 times in 17 seasons
Mertens puts Napoli in front against Barcelona, Griezmann thumps in equaliser
Chelsea 0-3 Bayern Munich
Robert Lewandowski now has 11 Champions League goals this season, his best ever total. This is only his sixth game.
He's scored 39 goals in 33 games for Bayern in all competitions this season.
Image source, ReutersChelsea 0-3 Bayern Munich
Chris Sutton
Former Chelsea striker on BBC Radio 5 Live
How good has Davies been? Absolutely brilliant. Chelsea went for the extra man in midfield but it's just electric pace from Davies. Andreas Christensen went to ground and it's such a poor decision. It's one of the easiest goals that Robert Lewandowski will score. He has been phenomenal tonight.
Robert Lewandowski (76 mins)
Robert Lewandowski gets the goal that might kill this tie off. But it's phenomenal play by Alphonso Davies to set the goal up.
The young left-back surges forward from the halfway line, leaves Andreas Christensen on the ground with a remarkable burst of pace, and then lays the ball on the plate for the world's top number nine to tap home.
Image source, Getty ImagesChelsea 0-2 Bayern Munich
Chris Sutton
Former Chelsea striker on BBC Radio 5 Live
Balls don't come much better than that. Chelsea have an extra man in the midfield and it's the little shift from Willian, it's fizzed in but there's no takers.
Chelsea 0-2 Bayern Munich
Teasing. Willian blasts in a low cross - the corridor of uncertainty - but Tammy Abraham doesn't throw himself at it.
Chelsea 0-2 Bayern Munich
Change of shape surely as Chelsea winger Pedro replaces full-back Cesar Azpilicueta.
Chelsea 0-2 Bayern Munich
Bayern are the only team to score 10 away goals this season in the Champions League. They have 18.
Only Liverpool (2017-18) and Real Madrid (2013-14) - 20 each- have managed more in a campaign.
Chelsea 0-2 Bayern Munich
Only four players have scored more goals in London this season in the Premier League and Champions League combined than Serge Gnabry (six).
The top four all play in London - Harry Kane (13), Pierre-Emerick Aubameyang, Son Heung-min (both 10) and Tammy Abraham (seven).
Napoli 1-1 Barcelona
Don't see too many of these - Lionel Messi is booked for a foul.
#bbcfootball or text 81111 (UK only)
Chris Owens: What this season demonstrates is how much Hazard carried Chelsea for the last few seasons. Softest Chelsea team for a long time.
Eddierocksteady: Now I'm convinced - Arsenal let Gnabry go all too soon! Would have loved to see a strike force of Aubameyang, Lacazette & Gnabry, with Martinelli making an impact from the bench. Frightening!
Image source, ReutersChelsea 0-2 Bayern Munich
Chelsea are getting so few chances that they need to take them when they come. Joshua Kimmich's pass is terrible and goes straight to Mason Mount, who goes alone from the corner of the penalty area and it's well over.
Chelsea 0-2 Bayern Munich
Chelsea hanging on. Philippe Coutinho doesn't make proper contact with a volley which rolls along the six-yard box and the Blues just about clear.
Image source, ReutersNapoli 1-1 Barcelona
Napoli have had several good chances since Barca's equaliser. Jose Callejon is in acres of space near the penalty spot but shoots straight at the keeper.
Chelsea 0-2 Bayern Munich
Handy enough change for Bayern Munich to make as Philippe Coutinho replaces Kingsley Coman.
Chelsea 0-2 Bayern Munich
Chris Sutton
Former Chelsea striker on BBC Radio 5 Live
On a handball claim...
That should be a penalty I think. He's a lucky boy. You can say it's close range but his arm was up initially and he's bringing it down. I think Bayern Munich might have a complaint or two there.
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Napoli 1-1 Barcelona
Chance for Napoli as Lorenzo Insigne wriggles free in the Barca box and has a shot saved by Marc-Andre ter Stegen.
Chelsea 0-2 Bayern Munich
Chris Sutton
Former Chelsea striker on BBC Radio 5 Live
Chelsea are getting schooled in their own backyard.
Chelsea 0-2 Bayern Munich
Serge Gnabry is a fantastic player when he's in the mood. He gets the ball in the box and everyone expects a first-ime shot, but he shuffles it onto his left foot and his effort is blocked.
Chelsea 0-2 Bayern Munich
Chris Sutton
Former Chelsea striker on BBC Radio 5 Live
At the moment you're wondering how Chelsea are even going to score one goal because Bayern Munich are so dominant.
It looks they've changed their formation and gone two up-front with those changes.