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Rodriguez will be in demand this summer.
Jon Flanagan is, ideally, a third-choice full-back who provides cover on both sides for Liverpool. He's a defence-first, much-improved option whom Brendan Rodgers has done wonders with, but a title tilt is expected and the Reds need quality.
Glen Johnson's defensive frailties were on show throughout the 2013-14 season, and the club can also do a lot better than Jose Enrique and Aly Cissokho now that they are back in the UEFA Champions League.
There are question marks in central defence, but to answer them Rodgers doesn't necessarily need to buy. Defensive midfield, therefore, becomes the next priority, as Lucas Leiva's performances have dropped sharply since a bad injury.
They need a physical ball-winner in the mould of Victor Wanyama; a different take on what's currently on offer in midfield.