New York City FC fired coach Jason Kreis after their star-studded squad failed to make the MLS playoffs.
Kreis' side finished eighth in the Eastern Conference, 12 points outside of a playoff spot despite having David Villa for all of the campaign and Frank Lampard and Andrea Pirlo for parts of it.
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The club said the decision came after a review of a "disappointing campaign," having set the target of making the playoffs in its maiden season.
In a statement, New York City president Tom Glick said: "The decision to part company with Jason (Kreis) and his team after two years of working together has not been taken lightly and this is a difficult announcement for all involved.
"We thank Jason for his passion, his efforts and for his contribution to the historic inaugural season of New York City FC. We wish him all the very best in what will undoubtedly be a continued successful career in soccer management."
Assistant coaches Miles Joseph and C.J. Brown have also departed.