"Coutinho is a quality player," Sturridge told the official site. "He's assisted me four or five times since he has been here.
"And it's fantastic to be playing with a player of his calibre.
"He's a quality player and I can't praise him highly enough for what he has shown. It's very difficult to do what he has done in such a short space of time.
"I want to say thanks to him because he's made my job very easy and he's been very unselfish. He's put me in many times and it's fantastic to work with him."
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