The teen has been a revelation for the Reds this season.
Sterling told the Daily Mail: "I know I get kicked a lot. I didn't know I was one of the most fouled players in the league. If that's what it takes and we get free-kicks, I will take getting the kicks.
"The scariest to play against was Branislav Ivanovic. He wasn't dirty, the guy is just a tank! A big guy, big upper body, big lower body. A real tank. But I've always played against guys who are bigger than me."