Former Mets pitcher Matt Harvey retires after 9 seasons in MLB
Matt Harvey's brutal 2017 season for Mets leaves plenty of questions heading into offseason – New York Daily News
Former Mets ace Matt Harvey announces retirement: 'Believe me I wish I could have done more'
Former Mets star Matt Harvey announces retirement: 'Goodbye, baseball
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Matt Harvey retires: Former Mets ace, MLB All-Star calls it quits
Former Mets ace announces retirement