Teaching pitchers and catchers to see the dot (axis) is a high priority for us. When they both see the spin, they can work together to make adjustments and improve the spin.Perhaps somebody else can find and post reference to this-
Beyond this conversation about the lettering on the ball. There is another topic about seeing a DOT or SPOT that is supposed to appear on a ball rotating and traveling as it comes in (cannot find the other video or post on it) never have seen that happen myself.