After this winter, what’s a little more waiting? J.D. Martinez arrived at JetBlue Park on Wednesday morning and was examined during the day. There was a possibility the Red Sox would finish the day by introducing Martinez in his new uniform -- that his agreed-upon, five-year deal would become official. We’re going to have to wait until Thursday at the earliest. President of baseball operations Dave Dombrowski on Wednesday evening told ESPN and NBC Sports Boston that he does not expect Martinez to be in workouts on Thursday. Nonetheless, all indications to this point are that the hold-up is related to the logistics of reviewing Martinez’s medicals. The Sox are awaiting the results of Martinez’s medical exam(s), which can sometimes include different opinions from different doctors in different places. The Sox’ medical staff is, naturally, Boston-based. Specialists can sometimes be involved. Media waited around JetBlue Park on Wednesday for word on a press conference’s scheduling. Naturally, there is a sense of the unknown attached to waiting with such a major acquisition.