Hull meet Liverpool this weekend.
"I think that was his biggest achievement so far, turning that situation around because it must have been difficult at times," said the Tigers boss.
"I think they were adamant that they were holding on to their best player and any club, if they've got aspirations to go and compete at the top level and win the league, have to keep hold of their best players.
"Certainly Suarez is that for Liverpool.
"He has proved year in, year out that he's as good a player as there is in the Premier League."
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