Jordan Henderson believes Liverpool hit the big time by tying Philippe Coutinho down to a new long-term contract after the Brazilian helped plot the downfall of Premier League champions Manchester City on Sunday. Coutinho?s dazzling display and other classy recent performances will **t have gone un**ticed among Europe?s biggest clubs as boss Brendan Rodgers admitted it was ?frightening? to think what the 22-year-old ? who cost £8.5 million (Dh48.1m) from Internazionale in 2013 ? could be worth. Likened to midfield marvels such as Real Madrid duo Toni Kroos and Luka Modric, but also a threat further forward, Coutinho signed a five-year deal last month to ward off suitors including the Spanish giants.