He told reporters: "He (Rice) is a very good player and he would absolutely have fitted in here. But it is not I am not happy with Mason. This is what you are suggesting. I am very happy with Mason and he is also a very robust player.
"You see in his profile: he played in his last four seasons - this is the fifth - in the last four seasons he only had only a small (injury) issue at the end of his Chelsea career. Before that, he played almost all the games, three seasons after each other, with three days turnaround, he always played.
"It is really bad luck what happened and he is a really good player. We really missed him across the game, he absolutely could have had a contribution to our levels."