The Argentine forward suffered an injury in the first leg last week in Paris.
With the tie 2-2 from the first game, and Messi showing signs he may be fit, Barcelona are hoping they can call on the player for the match.
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.