With Ugo Ehiogu suspended and Benito Carbone cup-tied McClaren will have to bring in replacements. Gianluca Festa will probably replace Ehiogu and Szilard Nemeth could replace Carbone but the manager is keeping his thoughts close to his chest.
Paul Ince is expected to replace Luke Wilkshire in midfield after missing the trip to Southampton and Robbie Stockdale should start at right back after being on the bench at Southampton.
There has been a slight worry over Noel Whelan who took a knock late in the game at St. Mary's but he is expected to be OK.
Boro are hoping for a crowd of over 30,000 as tickets have been selling steadily all week and fans are reminded that it is officially a flag day, so dig out your red & white and show your colours tomorrow.
Everton have sold their full allocation of 5,000 so it is up to the Boro fans to out-sing the Scousers and create that special atmosphere, which has been lacking of late.