Matt Harvey announces retirement
Matt Harvey, the Mets' 'Dark Knight,' retires at 34
Ex-Mets star Matt Harvey announces retirement from baseball
Former New York Mets Ace Matt Harvey Announces Retirement - Fastball
With the sad state of New York sports, baseball becomes winter focus – New York Daily News
Matt Harvey, the Mets' 'Dark Knight,' retires at 34
Former Mets All-Star Matt Harvey Announces His Retirement
Former Met Matt Harvey retires from baseball - Newsday
Ex-Mets ace announces retirement at age 34
Matt Harvey announces his retirement from Major League Baseball
Mets rise and fall of Matt Harvey: An oral history
Mets–Yankees rivalry - Wikipedia
Ex-Mets pitcher Matt Harvey announces retirement after nine-year MLB career