Ex-Mets star Matt Harvey announces retirement from baseball
Mets news: Matt Harvey announces retirement - Amazin' Avenue
Matt Harvey] Goodbye, baseball. And thank you. : r/baseball
Matt Harvey, the Mets' 'Dark Knight,' retires at 34 – KXAN Austin
Matt Harvey retires: Former Mets ace, MLB All-Star calls it quits
Matt Harvey New York Post
Former Mets ace Matt Harvey retiring after nine seasons
Matt Harvey announces retirement
Pedro Martínez - Wikipedia
With the sad state of New York sports, baseball becomes winter focus – New York Daily News
Matt Harvey retirement: Former Mets pitcher announces he's leaving baseball at age 34 - DraftKings Network