Going to say something potentially upsetting here, I'm not a big fan of Liston's jab. Don't see what the fuss is about. It has power, like all of his punches, but is sloppy, brought back to the waist quite often and could be countered.
Hard to be countered when your reach is 84" and you throw it from far out, most heavyweight can't reach him on their counters. Liston had one of the most powerful jabs of all time, like a telephone pole. It was very disruptive.