Knuckle Ball in Cricket Explained
What the knuckle ball is in cricket bowling, how it's gripped and released, and why it's used as a variation in T20 death overs.
What Is the Knuckle Ball?
The knuckle ball is a slow delivery variation in which the ball is gripped with the knuckles rather than the fingertips, reducing the spin or seam movement and making the ball arrive slower than the batter expects. It was popularised in cricket by fast-medium bowlers as a death-over variation and takes its name from the baseball knuckleball, though the cricket delivery works differently.
How It's Gripped
The knuckle ball is released with the ball tucked against the first two knuckles, with the fingers bent at the second joint. The reduced finger contact means the bowler cannot impart the usual seam-up or finger-spin on the ball — it comes out slower, often without predictable movement, creating an irregular flight that is difficult for the batter to time.
When Bowlers Use It
The knuckle ball is primarily a T20 death-over variation. When a batter is trying to hit every ball over the boundary in overs 18–20, a well-disguised slow ball delivered at 105–115 km/h (instead of the usual 130–140 km/h) causes mistiming — the batter swings too early through the shot. Knuckle balls work best when they cannot be identified from the bowler's run-up action.
Frequently asked questions
Is the knuckle ball the same as an off-cutter?
No — an off-cutter has the seam rotated off-centre and the ball cuts off the pitch, reducing pace through pitch contact. A knuckle ball has minimal seam spin and the pace reduction comes primarily from the delivery action and grip.
Can batters identify the knuckle ball early?
Skilled batters watch the bowler's fingers and wrist position to spot variations. A knuckle ball grip is visible at close range, which is why bowlers who can conceal the grip — holding it deeper in the hand — are most effective.
Which bowlers use the knuckle ball in international cricket?
Jasprit Bumrah (India), Tim Southee (New Zealand), and Trent Boult (New Zealand) have all used knuckle ball variations effectively in T20 cricket. It is common among pace-variation bowlers globally.