 Palmer started the 2017–18 season on a Major Medical Extension under the family crisis provision as his wife underwent chemotherapy treatment.He met the terms of his medical extension at the CareerBuilder Challenge, then lost in a sudden-death playoff at the Farmers Insurance Open the following week.Trying to end an eight-year winless drought on tour, Palmer, playing in the final group, birdied the 72nd hole to join a playoff with Jason Day and Alexander Norén.