Both Liverpool and Arsenal will be missing key players for the first leg of their Carabao Cup semi-final.
Liverpool's Mohamed Salah, Sadio Mane and Naby Keita are at the Africa Cup of Nations, as are Arsenal quartet Pierre-Emerick Aubameyang, Nicolas Pepe, Mohamed Elneny and Thomas Partey.
Thiago Alcantara (hip) and Divock Origi (knee) remain absent for Liverpool.
Arsenal's Granit Xhaka (Covid-19) will be assessed, as will Emile Smith Rowe (groin) and Takehiro Tomiyasu (calf).
Regarding his club's selection problems before Thursday's game at Anfield, Gunners boss Mikel Arteta said: "It is extremely volatile and uncertain.