Cristiano Ronaldo or Lionel Messi: who is the better footballer?It's the age-old question which has bewildered football fans for years upon years and continues to symbolise just how lucky we are to inhabit an era where two of the greatest players in history are competing simultaneously.We'll look back in 20, 30, 40 years' time at the dazzling days of Ronaldo and Messi going toe-to-toe in their primes for Real Madrid and Barcelona and no doubt decree that football peaked there and then.