Image Credit: Getty Images Michael Annett built a legacy in the racing world. The late retired NASCAR Xfinity Series driver died at the age of 39 in December 2025, and the sports world has been mourning his death ever since. No cause of death was immediately disclosed. NASCAR confirmed the news of Annett's death in a public statement, which read, "NASCAR is deeply saddened to learn of the passing of former NASCAR driver Michael Annett. Michael was a respected competitor whose determination, professionalism, and positive spirit were felt by everyone in the garage.