Messi, Raul, Ronaldo - who is the greatest Clasico striker of all time?

In the run-up to Saturday's meeting between Real Madrid and Barcelona, we'll be running a poll every day on the best players ever to grace the biggest game in club football
With only three days to go until the huge Clasico clash between Real Madrid and Barcelona, who will occupy the striker spot in Goal's Ultimate XI? Lionel Messi? Ronaldo? Samuel Eto'o? Raul? Take your pick from the options below!