Isolated pectoralis minor tears are rare orthopedic injuries often in weightlifters or contact sports and should be included in the differential when evaluating athletes with anterior shoulder pain. These injuries are often mistaken for pectoralis major muscle stains and tears. Advanced imaging with MRI helps define the anatomic location and grade of injury. Treatment is usually conservative with full return to activity after a brief period of rest for a few weeks. The purpose of this article is to present a case report and review of the literature on the clinical evaluation, imaging, and treatment of an isolated pectoralis minor tears.