The Nigeria international is making his way back into Clarke's first team after January's QPR controversy.
"It's a difficult place to go, but we're confident. We're in a good place and we've managed to put together back-to-back wins in the Premier League, which is never easy," said Clarke.
"The atmosphere, and whatever the Chelsea fans do or the media want to build up around it, is not a concern for us.
"Peter has trained all week. He's worked hard so he's got a chance to start."