Front Door Breaking Ball
Also known as: front door slider, front door curve
A front door breaking ball starts at a same-handed batter as if it might hit them. Then it breaks back over the inside corner for a strike.
The mirror image of the backdoor breaking ball, the front door version is thrown to same-handed hitters (a right-handed pitcher to a right-handed batter). It starts on a line toward the batter's hip or back foot, enough to make most hitters flinch or bail out. Then the pitch's break pulls it back over the inside edge of the plate for a called strike. Because the initial trajectory looks dangerous, hitters rarely swing at it, which is precisely the point.
The front door breaking ball demands total trust in the pitch's break. Throwing it means aiming at a spot that would otherwise hit the batter. Pitchers who lack confidence in their glove-side control tend to miss in one of two ways. They leave the pitch too far inside, a legitimate hit-by-pitch risk. Or they bring it back too early, leaving a hittable pitch over the heart of the plate. Used sparingly and located well, it is one of the most effective ways to steal a strike from a hitter who is expecting pitches away.
Example
The right-hander started his curveball at the right-handed hitter's back hip. It broke back over the inside corner for a called strike the hitter never considered swinging at.
Why it matters
A front door breaking ball only works with total confidence in glove-side command. A pitcher who trusts their release point can locate it aggressively instead of leaving it over the middle of the plate out of caution.
Common mistakes
- Aiming too conservatively toward the plate out of fear of hitting the batter. This turns the pitch into a hittable strike instead of a surprise called strike
- Throwing it to hitters who are aggressive and will simply spit on any inside pitch regardless of shape, wasting the deception
- Overusing the pitch once it works, allowing hitters to adjust and start looking for it inside
Frequently asked questions
Is a front door breaking ball dangerous to throw?
It carries some hit-by-pitch risk if the break does not arrive as expected. This is why it requires strong command and is usually reserved for pitchers who trust their breaking ball's consistency.
Related terms
- Backdoor Breaking BallA backdoor breaking ball starts off the plate and breaks back over the outside corner for a called strike. It looks like a ball until the last instant.
- SliderThe slider is a breaking ball with lateral movement and some downward tilt, faster than a curveball and usually sharper in its late break.
- CurveballThe curveball is an off-speed breaking pitch with topspin that makes it arc downward, often sharply, as it crosses the plate.
- Strike ZoneThe strike zone is the three-dimensional region over home plate, between the batter's knees and the midpoint of the torso, where a pitch must pass to be called a strike.
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