Inclusion Criteria:  Undergoing ACL surgery with expected Hamstring Autograft by Dr. Catherine Robertson at UC San Diego At least 18 years of age Able to Provide Consent in English prior to Surgery  Exclusion Criteria:  Pregnancy (a urine pregnancy test is standard at UCSD for female patients prior to menopause who are sexually active with the opposite sex within the previous year) Inability to communicate with the investigators and hospital staff Severe renal, hepatic or cardiac disease Chronic high-dose opioid use (defined as daily use for more than 4 weeks prior to surgery of at least the equivalent of 20 mg oxycodone) BMI > 45 kg/m2 Allergy to study medications (lidocaine, bupivacaine) Incarceration.