Fabricio Coloccini : "Every game in Argentina is beamed back in the Premier League and my country watch a lot of English football, so Sunday will be very interesting.
"My main priority is to play as well as I can for Newcastle and if I am doing that then I know it will be important towards getting selected for the national team.
"That is my dream to play for Argentina at the Copa America.
"It will be difficult and it's a long way away. But I know that I must have a good season with Newcastle.
"In every game, not just Sunday, we have to make it difficult for teams and get big results."
Jonas Gutierrez: "I know what my position is with Newcastle and what my role is. My aim is to improve, make goals and score goals.
"And in every game I have to make sure I achieve that.
"There are many quality players in the Argentina line-up, including Tevez.
"If I want to be in the national team, playing good football in the Premier League is vital.
"I'm thinking of that and of doing well for Newcastle.
"The Copa America is very important for us next summer and I hope to be there.
"Argentina needs a tournament, and the cup is very important for the continent.
"We need to win it, and it's very good to have it in Argentina."