1. A device for use in joint replacement surgery, the device comprising: a patient-specific jig having a body having a shape corresponding to three dimensional data of a first resected planar surface of a bone of a patient according to a preoperative plan, the first resected planar surface of the bone having a first size and shape; the body including a first bone facing planar surface configured with a second size and shape that matches the first size and shape of the first resected planar surface of the bone of the patient according to the three dimensional data; a perimeter surrounding the first bone facing planar surface and sized and shaped to match a perimeter of the resected planar surface of the bone of the patient according to the three dimensional data; and an alignment member extending from the perimeter the body and configured to align with a point of bone adjacent the first resected planar surface according to the three dimensional data of the bone structure of the patient.