The 20-year-old Brazilian became manager Brendan Rodgers' second signing of the January transfer window after finalising the details of his medical and work permit in an £8.5million switch from Inter Milan. Defender Lucas revealed he advised both Rodgers and the player ahead of a deal which the Brazilian believes can prove an all-round winner.
"The manager spoke with me, not asking me about his talent, because he was sure about his talent, it was just about how he was as a person," said Lucas.
"I spoke to him (Coutinho) a few times, not trying to convince him to sign, just telling him about the club, how things work here. He just felt it was a great opportunity for him to come to the Premier League and we are happy to have him here.
"Coutinho is a very talented player, with a lot of experience for someone so young. He is a proper Brazilian with a lot of skill, he likes to play with the ball.
"He had a very good spell with Espanyol and I think he will be a great player in the future for us."
Coutinho is on his fourth club - all in different countries - in three years, but Lucas is confident he will quickly adapt to life in the English top flight and his transition to Merseyside helped by the Reds' South American contingent.
"In Italy, it is a different game, but he has experience in La Liga as well. But I think he will be able to cope, I just hope he settles very quickly," said Lucas.
"We have Luis (Suarez) and (Sebastian) Coates, and myself, so we will all try to make him feel really comfortable and help.
"He is a young lad so we just need to make sure he settles very quickly, like Luis and Coates have, then he will be able to feel comfortable, show his qualities and start to play really well."
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