Black Ace Bob Gibson Was Total Domination In 1964, ’67 and ’68 World Series For St. Louis Cardinals Posted by Rob Parker | Oct 29, 2024 | THE TWO HOLE | 0 | Melanated Mound Marauder and legendary Black Ace “Bullet” Bob Gibson was such a terror that MLB lowered the mound 10 inches after his historic 1968 season to return an advantage back to the hitters.