Career
He was chosen in the 10th round of the 1967 NFL/AFLCommon Draft as a defensive tackle. During his time in the league he played in a total of eight games. Sligh was a reserve for the Oakland Raiders in Super Bowl II, when the Raiders fell to the Green Bay Packers.
In 1968, he was chosen by the expansion Cincinnati Bengals in the American Federation of Labor-Congress Allocation Draft, but he was waived prior to the regular season.
Height
At 7 feet tall, Sligh is the tallest player in professional football history. The next tallest are Morris Stroud at 6-10 and Editor "Too Tall" Jones at 6-9.