"I knew at Liverpool I wasn't just going to go in and play, obviously he couldn't guarantee me any football," McCarthy admitted.
"Working with Brendan at Liverpool or Harry at QPR. I was stood at the train station with my dad and my agent going over it and over it and because I had been playing at Reading, I wanted to carry on playing so I ended up going to QPR and signing there.
"I'm a big believer that things always happen for a reason. It took me a while to get into the team and I when I did, I played against Liverpool and had to go off with a quad strain so I was out of the team again and Rob (Green) was doing well so it was a weird one.