Martinez said: "There has been a lot of talk over what has happened to David.
"It's not a nice situation when a manager loses his job, especially one with such strong links to our club.
"But he will look forward to the next chapter. He's a very successful man with a winning mentality and will bounce back.
"Of course lots of clubs will be willing to take him on; someone with all that experience at the highest level and the know-how, it’s a real strength.
"He will be ready to get into a new job as quickly as he can."
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