Karanka clearly doesn't enjoy his job, he's already walked out on them once and now he's given the below interview showing his frustration at only signing two strikers for a combined £12 million.
I can understand where he's coming from since he's not the one signing players but to come out and say your employers don't match your ambitions and even worse, that one of their signings isn't good enough can only end badly.
Personally I wish they'd splash the cash and send a few more of their fringe players our way.

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