Ex-Mets star Matt Harvey announces retirement from baseball
Myriad O's Thoughts: Adding Luis Torrens, demoting Ryan O'Hearn, Matt Harvey retires - The Athletic
Matt Harvey - Wikipedia
Ex-Mets ace announces retirement at age 34
Matt Harvey announces retirement
Former Mets star Matt Harvey announces retirement: 'Goodbye, baseball
Former MLB, Mets pitcher Matt Harvey retires: What legacy does he leave? - The Athletic
Matt Harvey - MLB News, Rumors, & Updates
Former Mets All-Star Matt Harvey Announces Retirement
Former MLB pitcher known as 'The Dark Knight' announces his retirement after nine seasons