Denver Broncos | News The Making of The Magician: How Marlin Briscoe left Denver and his legacy in the NFL In the final installment of our series about the life and legacy of Marlin Briscoe, we take a close look at his departure from Denver and the legacy he would leave on pro football. By Ben Swanson Feb 26, 2021 In 1968, a small quarterback from Omaha, Nebraska, took the field for the Broncos and made history as modern pro football's first Black starting quarterback. He dazzled and delighted crowds at Mile High, but a year later, he was gone from Denver. As we celebrate Black History Month, we're taking a closer look at the life and legacy of Marlin Briscoe. Today, we delve into his departure from Denver and how he left an enduring legacy on pro football.