R.E.C.K vs Exparel in Robotic Nephrectomy

Inclusion Criteria: 1. Ability to understand and willingness to sign an IRB-approved informed consent 2. Age ≥ 18 years at the time of consent. 3. Planned robotic partial or radical nephrectomy Exclusion Criteria: 1. Determined not to be a candidate to receive R.E.C.K or Exparel per the enrolling investigator 2. Known pregnancy 3. Chronic opioid use within 30 days (as per patient report) prior to randomization (defined as ≥ 30 MME/day) 4. Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements as determined by the investigator. 5. Known allergy to R.E.C.K. and/or Exparel