Tonight the pair will come head to head as former Swans' boss Brendan Rodgers takes the unbeaten Reds to the Liberty Stadium.
Shelvey said: "I said to Steve that I might have to go elsewhere to get football. He told me 'stay here, you'll get your chance'.
"It was great to hear that from him, but I felt I needed to come away.
"And I'm lucky that I've found my feet at a club like Swansea."
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