Kolo Toure has welcomed the late defensive signings made at Liverpool.
"It's fantastic," Toure told liverpoolfc.com. "It has increased the competition and everybody has to work really hard every day.
"That is the only way we can make the team better and I'm glad we have signed two very, very good players.
"We know all about Mamadou Sakho, he is a very good player. Tiago has also come in from Portugal and is a really good defender as well.
"The competition will be really tough and we need to work extra hard. Nobody will be expecting to play, we'll all have to fight, but I love the competition."
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