Team news ahead of Tuesday's games

Real Madrid v Roma
Real Madrid: Navas; Carvajal, Ramos, Pepe, Marcelo; Kroos, Casemiro, Modrić; James, Ronaldo, Bale.
Out: Benzema (hamstring)
Doubtful: none
Misses next match if booked: Casemiro, Sergio Ramos

Roma: Szczęsny; Florenzi, Manolas, Zukanovic, Digne; Keita, Pjanić; Salah, Perotti, El Shaarawy; Džeko.
Out: De Rossi (calf), Rüdiger (thigh)
Doubtful: Nainggolan (groin)
Misses next match if booked: De Rossi, Nainggolan

• Interview: Varane on Zidane impact
• Roma's Florenzi sounds Real Madrid warning

Draxler training in the rain©Getty Images

Wolfsburg v Gent
Wolfsburg: Casteels; Träsch, Knoche, Dante, Rodriguez; Guilavogui, Gustavo; Schürrle, Arnold, Draxler (Vieirinha); Kruse (Caligiuri).
Out: Naldo (Shoulder), Jung (knee), Dost (foot), Seguin (ankle), Benaglio (rib)
Doubtful: Draxler (knee), Kruse (thigh)
Misses next match if booked: Caligiuri

Gent: Sels; Asare, Gershon, Nielsen; Kums, Neto; Dejaegere, Milicevic, Foket; Simon, Depoitre.
Doubtful: Wikheim (quadriceps), Van Der Bruggen (hip), Depoitre (unspecified)
Out: Mitrović (foot), Vandenbussche (shoulder)
Misses next match if booked: Asare, Depoitre, Foket, Saief, Kums

• Photos: build-up to Tuesday's first legs

Domenico Criscito sees red in the first leg©AFP/Getty Images

Zenit v Benfica
Zenit
Out: Criscito (suspended), Javi García (suspended)
Misses next match if booked: Danny, Hulk, Yusupov, Witsel

Benfica
Out: Jardel (suspended), André Almeida (suspended), Lisandro López (thigh), Júlio César (thigh), Luisão (broken arm)
Misses next match if booked: Luisão, Gonçalo Guedes, Jonas

Chelsea v Paris Saint-Germain
Chelsea
Out: Zouma (cruciate), Falcao (groin)
Doubtful: Terry (hamstring), Pedro (hamstring), Pato (groin), Costa (tendon)
Misses next match if booked: none

Paris
Out: Aurier (disciplinary)
Doubtful: Verratti (groin), Matuidi (hamstring)
Misses next match if booked: Aurier, Verratti, David Luiz, Ibrahimović