Also in the matches they have played for one year, Ferrer was deliberately very offensive against Del Po, he knew he needed that against him and actually he did it very well.
I know some people are unable to see that Ferrer can play offensively
David extracts everything out of himself, no doubt.
BTW if I had to answer who is worse match-up for Delpo, Murray or Ferrer, I would need to guess. Instinctively I want to say Andy, but maybe that`s not all that simple.