1st Round giant killers Standard Liege and River Plate have been 'rewarded' with tough away ties at former winners Atletico Madrid and Manchester City, respectively.

Villarreal, who knocked out Borussia Dortmund, land an easier looking home fixture against Rubin Kazan.

Two former winners Bayer Leverkusen and Flamengo meet in what could be the tie of the round.

Fixtures are one leg only, to be played on Saturday 14 March.

Bayer Leverkusen - Flamengo
FK Partizan - ACF Fiorentina
FC Augsburg - Paris Saint-Germain
Sunderland - Stoke City
SSC Napoli - Dynamo Moskva
Rubin Kazan - Villarreal
Chelsea - Ajax
Manchester City - River Plate
Atletico Madrid - Standard Liege
Newcastle United - SL Benfica
FC Schalke 04 - Levante
Aston Villa - Zenit Saint Petersburg
Hellas Verona - Werder Bremen
AS Roma - Spartak Moskva
RSC Anderlecht - Galatasaray
FC Porto - Lokomotiv Moskva