Liverpool have reportedly agreed to a £60million deal to sign Southampton’s Romeo Lavia.   Jürgen Klopp is desperate to strengthen his midfield after losing the race to sign Moisés Caicedo from Brighton, who is joining Chelsea for a British record fee of £115m.   The Belgium international still has four years left to run on his deal with Southampton, but a summer exit is seen as inevitable, assuming that an interested party meets his £50m price tag.   Over the …