Who is out? Who is a doubt? Fantasy Football managers take note as UEFA.com rounds up the possible lineups and formations for Tuesday's round of 16 first legs.

Manchester City FC v FC Barcelona
Manchester City: Hart; Zabaleta, Mangala, Kompany, Clichy; Fernandinho, Fernando; Nasri, Silva, Milner; Aguero.
• Out: Touré (suspended)

Barcelona: Bravo; Alba, Mascherano, Piqué, Alves; Iniesta, Busquets, Rakitić; Neymar, Messi, Suárez.
• Out: Douglas (hamstring), Vermaelen (hamstring)

Juventus v Borussia Dortmund
Juventus: Buffon; Lichtsteiner, Bonucci, Chiellini, Evra; Pogba, Pirlo, Marchisio; Vidal; Tevéz, Morata.
• Out: Marrone (thigh)
• Doubtful: Barzagli (ankle), Matri (thigh)

Dortmund: Weidenfeller; Piszczek, Sokratis, Hummels, Schmelzer; Bender, GündoÄŸan; BÅ‚aszczykowski, Kagawa, Reus; Aubameyang.
• Out: Grosskreutz (thigh)
• Doubtful: Kehl (shoulder), Durm (flu), Kampl (undisclosed muscle problem)