The Riata Championships Open is underway at the Lazy E Arena in Guthrie, Oklahoma, and the bloodlines are already doing the talking. DruStew and Lucas Gentry break down the head and heel horses competing at the 2026 Riata Stallion Incentive, looking at the bloodlines showing up across the Open and how running-bred horses on the head side and cow horse bloodlines on the heel side are shaping the field. Catch the latest from the EQN Sports Desk, driven by Holiday Auto Group.