Two of the last three head to head games have gone over 3.5 goals.Mainz have broken the 3.5 mark in two of their last five games.Hoffenheim have seen three of their last five games go over the 3.5 mark.Four of the last five head to head meetings have gone over the 3.5 goal cut off.Two of Liverpool's last four away games have gone over 3.5 goals.