"We have two very good strikers in Rickie Lambert and (Dani) Osvaldo," said Pochettino.
"The thinking was to fill the middle of the pitch with more people that could keep possession of the ball.
"The thing is the team has fully understood and knows how it wants to play. It has accepted how we want them to play.
"We pressure high up the pitch and that's been working out well for us.
"There will be some games that he starts and other games that he doesn't start, but overall he's a very important player for us."
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