Centre-backs Gabriel Paulista and Per Mertesacker have been passed fit to start for Arsenal against Watford in the FA Cup this afternoon.
The pair were forced off during the midweek win at Hull City with injuries.
However, both are included against the Hornets in a defence that also contains Calum Chambers and Kieran Gibbs in the full-back positions.
Further forward, there is a start for January signing Mohamed Elneny in midfield and Joel Campbell has been preferred to Danny Welbeck and Theo Walcott in attack.
As for the visitors, head coach Quique Flores has opted to make three alterations.
Craig Cathcart, Valon Behrami and Adlene Guedioura have all been recalled at the expense of Jose Holebas, Mario Suarez and Nordin Amrabat.
Arsenal: Ospina; Chambers, Mertesacker, Gabriel, Gibbs; Elneny, Coquelin; Campbell, Ozil, Sanchez; Giroud
Subs: Macey, Bellerin, Monreal, Flamini, Iwobi, Walcott, Welbeck
Watford: Gomes; Nyom, Prodl, Cathcart, Ake; Watson, Behrami; Capoue, Deeney, Guedioura; Ighalo
Subs: Pantilimon, Anya, Suarez, Abdi, Jurado, Amrabat, Oulare
Follow Sports Mole's live text coverage of the clash at the Emirates Stadium here.