The eighth of ten children in Bessemer, Alabama, Vincent Bo Jackson earned his nickname from family who called him a wild boar hog. This deep dive unpacks the biography of the only athlete named an All-Star in two major American sports, a physiological anomaly who navigated the spotlight entirely on his own terms.

From turning down a $250,000 Yankees offer to keep a promise to his mother, to winning the Heisman at Auburn, to a hip injury that ended his football career, Jackson’s story is a study in unbending conviction. His mythic feats and a comeback on an artificial hip make him a case against today’s culture of hyper-specialization.

• He ran an electronically verified 4.13-second 40-yard dash at roughly 230 pounds and set a high school high jump record of 6-9
• He warned Tampa Bay not to draft him after an ineligibility incident, then refused to sign a $7.6 million NFL contract
• Al Davis and the Raiders let him finish each baseball season before reporting, making him the highest-paid non-quarterback
• A 1991 tackle dislocated his hip and caused avascular necrosis, ending his football career and Royals tenure
• In 1993, in his first at-bat on an artificial hip, he homered, fulfilling a promise to his late mother