Oakland Raiders running back Bo Jackson (34) running down the sidelines in the Raiders 43-37 loss to the Seattle Seahawks on 12/18/1988 at the Los Angeles Memorial Coliseum. (Photo by NFL/NFL)

NFL Commissioner Pete Rozelle hands a ball to Bo Jackson, running back from Auburn University to announce his selection. Selected as a 7th round draft choice by the Los Angeles Raiders at the 1987 NFL Draft on April 28, 1987 in New York, New York. Jackson was selected 1st overall draft choice in the 1986 NFL Draft by the Tampa Bay Buccaneers but opted to not participate and sat out the next season to maintin his draft eligibility for the 1987 NFL Draft. (Photo by NFL/NFL)

Running back Bo Jackson of the Los Angeles Raiders runs upfield during a 10 to 7 loss to the Philadelphia Eagles on October 22, 1989 at Veterans Stadium in Philadelphia, Pennsylvania. (Photo by Al Kooistra/NFL)

Running back Bo Jackson of the Los Angeles Raiders runs upfield in a 24 to 27 loss to the Kansas City Chiefs on November 25, 1990 at Los Angeles Memorial Colesium in Los Angeles, California. (Photo by Aggie Skirball/NFL)

Oakland Raiders running back Bo Jackson (34) eluding Cincinnati Bengals linebacker James Francis (50) in the Raiders 24-7 victory over the Bengals on December 16, 1990 at the Los Angeles Memorial Coliseum. (Photo by Peter Brouillet/NFL)

Los Angeles Raiders running back Bo Jackson (34) hands a football to one of his sons during the AFC Divisional Playoff, a 20-10 victory over the Cincinnati Bengals on January 13, 1991, at the Los Angeles Memorial Coliseum in Los Angeles, California. (Photo by NFL/NFL)

Los Angeles Raiders running back Bo Jackson carries the football for the last time as he suffers the hip injury that ended his career on this play during the Raiders 20-10 victory over the Cincinnati Bengals in the 1990 AFC Divisional Playoff Game on January 13, 1991 at the Los Angeles Memorial Coliseum in Los Angeles, California. Jackson had 77 yards rushing on only 6 attempts during the game. (Photo by Al Messerschmidt/NFL)

Los Angeles Raiders running back Bo Jackson carries the football and looks for room to run during the Raiders 20-10 victory over the Cincinnati Bengals in the 1990 AFC Divisional Playoff Game on January 13, 1991 at the Los Angeles Memorial Coliseum in Los Angeles, California. Jackson had 77 yards rushing on only 6 attempts during the game. (Photo by Peter Brouillet/NFL)

Bo Jackson of the Kansas City Royals makes a diving catch against the Oakland A's at Oakland County Stadium in Oakland, California. (Photo by Otto Greule Jr/Getty Images)

Bo Jackson #16 of the Kansas City Royals watches the flight of the ball as he follows through on his swing during a game in the 1990 season. (Photo by Jonathan Daniel/Getty Images)