"Bony humeral avulsion of the glenohumeral ligament (BHAGL) lesion is just like its slightly shorter relative, HAGL lesion, except that, as the name suggests, a bony avulsion fracture is seen at the humeral insertion of the inferior glenohumeral ligament ref. It is often associated with a subscapularis tear and frequently results from anterior glenohumeral dislocation, leading to shoulder instability ref."