T20 has its own assist. Like football’s killer pass, a tight over that spikes the required run rate often creates the next wicket—without glory. We measure that hidden work with The Wicket Assist Percentage, modeling how pressure in one over shifts wicket odds in the next. From powerplay to death overs, momentum swings between spin and pace, while a handful of bowlers quietly set the collapses in motion. Whose invisible hand shapes games—and when?