Chelsea could not take advantage of long spells of possession as first Michu, then Danny Graham, scored to give the Welsh side the first leg lead.
The second leg takes place in a fortnight’s time, with Swansea on the brink of their first major cup final.
What is your opinion? Feel free to discuss the article under. You have to comment by using your Facebook profile. Be fair and have respect for other people and opinions!
Since Guus Hiddink arrived at the helm, Chelsea have improved considerably after a tricky start to the campaign.
Newcastle United are staring down the barrel of relegation to the Championship for the second time in the past eight years.