Matt Harvey, the Mets' 'Dark Knight,' retires at 34
A Dark Knight timeline: The rise and fall of Matt Harvey - ESPN
Matt Harvey retires: Former Mets ace, MLB All-Star calls it quits
Matt Harvey - Wikipedia
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Matt Harvey, the Mets' 'Dark Knight,' retires at 34
Matt Harvey announces retirement
Former MLB pitcher known as 'The Dark Knight' announces his
The rise and fall of the Mets' talented former rotation - Newsday
Ex-Mets star Matt Harvey announces retirement from baseball
Ex-Mets pitcher Matt Harvey announces retirement after nine-year
Former Angel Matt Harvey retires at 34 - CBS Los Angeles