MLB J.D. Martinez introduced in Boston today February 26, 2018 523 Facebook Twitter Google+ Pinterest WhatsApp Boston Red Sox baseball player J.D. Martinez, right, smiles alongside David Dombrowski, president of baseball operations, during a news conference announcing his signing with the team, Monday, Feb. 26, 2018, in Fort Myers, Fla. (AP Photo/John Minchillo) After several weeks J.D. Martinez was introduced in Boston today as the new Red Sox. JD talks during today’s press conference.