McLean is currently on-loan at Brum from Hull.
He told the Birmingham Mail: "I wouldn't have come here if I didn't believe in myself, I've always been a confident person and someone who believes in their own ability.
"I'm confident that wherever I go, be it here or at Hull, given a run in the team I'll score goals. At Hull, I was not playing anywhere near as much as I want to be. I think I've only played three first-team games this season.
"I've come here and if I have any chance of getting into a Premier League team, then I know I need to do well and try to score some goals.
"The only way to show people what you can do is by playing games."
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