According to his sister, JD Martinez made his Fenway debut 12 years ago on his 18th birthday. : r/redsox

In Home Run Era, Red Sox' J.D. Martinez Is More Than 'Just Dingers' - The New York Times

Rafael Devers, Xander Bogaerts, and J.D. Martinez — the Red Sox' star trio — are slumping at the wrong time - The Boston Globe

J.D.: 'I have always rewarded the teams that believed in me

JD Martinez Celebrated His 18th Birthday As A Fan At Fenway Park Decked Out In Red Sox Gear

J.D. Martinez Doesn't Need The Green Monster

Noted Tom Brady fan J.D. Martinez once spent his 19th birthday at Fenway Park

J.D. Martinez's Fenway debut with Red Sox 'was special' - The Boston Globe

Boston Red Sox and other MLB players' cars: David Ortiz certainly loves his Rolls-Royce

According to his sister, JD Martinez made his Fenway debut 12 years ago on his 18th birthday. : r/redsox

J.D. Martinez delivered a big hit, and the Red Sox got a needed win in Kansas City - The Boston Globe