Except the 23-year-old Tugboat has a secret weapon. It’s called the “Invisiball”—baseball jargon for a pitch that batters inexplicably can’t hit, as if it simply disappears on its way to the plate. So far, almost no one has been able to figure it out.
Tugboat’s seemingly unimpressive heater might not light up the radar gun, but batters insist it feels much faster than it actually is. It even gives the illusion of rising.