Mourinho says Schwarzer has added to their winning culture this season.
"All of them are professionals.
"The team is more important than themselves, and the club [is].
"Even the ones not playing like [Mark] Schwarzer, who hasn't played a second, but if he has to play tomorrow he would be ready. Why? Because he is very professional and he trains very well.
"We don't have a secret to keep them happy because we don't keep them happy.
"We may have a secret to make them work every day at a high level."