JD Martinez with his sister Mayra Bazavilvazo

No 'bandwagon fan': How newest Red Sox slugger J.D. Martinez celebrated his 19th birthday at Fenway - ESPN - Boston Red Sox Blog- ESPN

JD Martinez with his sister Mayra Bazavilvazo

Bazavilvazo Facebook, Instagram & Twitter on PeekYou

You're not in Kansas anymore': The pressure -- from inside and out -- that could define the 2018 Red Sox - ESPN - Boston Red Sox Blog- ESPN

J. D. Martinez Birthday, Real Name, Age, Weight, Height, Family, Facts, Contact Details, Girlfriend(s), Bio & More - Notednames

J.D. Martinez is 'completely obsessed with baseball' - The Boston Globe

Bazavilvazo Facebook, Instagram & Twitter on PeekYou

J.D. Martinez is 'completely obsessed with baseball' - The Boston Globe

Bazavilvazo Facebook, Instagram & Twitter on PeekYou

JD Martinez: Bio, family, net worth

J.D. Martinez is 'completely obsessed with baseball' - The Boston Globe

You're not in Kansas anymore': The pressure -- from inside and out -- that could define the 2018 Red Sox

JD Martinez: Bio, family, net worth

J.D. Martinez is 'completely obsessed with baseball' - The Boston Globe

JD Martinez with his sister Mayra Bazavilvazo