Matt Harvey never recovered from Game 5 of World Series

Matt Harvey's injury looks like thoracic outlet syndrome, a blow to Mets - Sports Illustrated

Matt Harvey Era Ends With No Easy Answers for What Went Wrong - The New York Times

Matt Harvey Refuses To Leave World Series Game 5; Mets Blow Lead (Videos)

Matt Harvey never recovered from Game 5 of World Series

Steven Matz - Wikipedia

WS2015 Gm5: Harvey lobbies to come back out for 9th

Former MLB star pitcher announces retirement

Matt Harvey at his peak was the most electrifying Mets pitcher of this generation - Amazin' Avenue

Matt Harvey talks Mets loss in World Series

World Series teams without injured stars

2015 World Series: Game 5 - Mangin Photography Archive

Defining Matt Harvey's complicated Mets relationship as he retires