He said: "Keane and Torres are clever players, they scored plenty of goals last season and when they have played a lot more games together for us, they will score here too.
"These two strikers are top class, and they can be at the level of anyone in this competition. They will get better and better.
"They will need time. It has been a difficult summer with players arriving for training at different stages, but I have no worries about them in the future."