Inclusion Criteria:  • Patients undergoing primary shoulder arthroplasty or reverse shoulder arthroplasty  Exclusion Criteria:  Patients under the age of 50 years Patients over the age of 85 Patients undergoing a revision shoulder procedure Documented drug or alcohol abuse Active narcotic use within 3 months prior to surgery Neurological deficit Allergy to amide anesthetics Oxycodone intolerance Unable to take Celebrex Enrollment in another clinical trial Comorbidity that is contraindicated with the administration of an interscalene block Cognitive or mental health status that interferes with study