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Slow-Pitch Softball Glossary
Learn the language of Slow-Pitch Softball — answer-first definitions with real examples, beginner to pro.
180 terms
- Pitcher Face Masks in Slow PitchBeginnerAdult slow-pitch pitchers do not have to wear a mask under USA Softball rules, but it is a sensible choice. Any defensive player may wear a face mask or helmet at any time. The pitcher stands 50 feet from the plate in adult play and has little time to react to a hard line drive. Your league may require masks, so check its rules.
- Pitching DistanceBeginnerPitching distance is how far the pitcher's plate is from home plate. Adult slow pitch is pitched from 50 feet under both USA Softball and USSSA rules, and USA Softball's youth divisions use 40, 46 or 50 feet by age. USA Softball lets Class C, D and E/Rec pitchers start up to 6 feet behind the pitcher's plate, or 10 feet in senior play. USSSA requires the pivot foot to touch the plate when the ball is released.
- Pitching Machines for Slow-Pitch PracticeBeginnerYes, but only a machine or feeder that lobs a real arc is worth using for slow-pitch timing. A machine that fires the ball on a flat line trains timing you will never see in a game. Set the arc so the ball drops through the zone like a game pitch, from a realistic distance. If you cannot, a partner who throws a true slow-pitch arc is better.
- Pitching RubberBeginnerThe pitching rubber is the white rubber slab on the pitcher's mound from which the pitcher must begin and complete a legal delivery. Leaving or dragging off the rubber incorrectly results in an illegal pitch.
- Placement Hitting (Slow-Pitch)IntermediatePlacement hitting means aiming the ball at open grass instead of trying to hit it as hard and high as you can. With ten fielders in slow pitch, the open spots are usually the gaps between outfielders and the shallow space in front of a deep outfield. To get the ball past a rover or short fielder, drive a firm line drive just over the infield. To hit behind a runner on first, let the ball travel and drive it to the right side.
- Plate CoverageBeginnerPlate coverage is the hitter's ability to make solid contact on pitches across the entire width of the strike zone — inside, middle, and outside — without giving any quadrant away to the pitcher.
- Plate DisciplineIntermediatePlate discipline is the ability to identify pitches outside the strike zone and choose not to swing. This allows the count to work in the hitter's favor or earning a free base.
- Pop-Up (Slow-Pitch)BeginnerA pop-up is a weak hit with a very steep launch angle. It usually comes from hitting well below center with a bat path steeper than the pitch's descent.
- Pop-Up Priority CallBeginnerThe pop-up priority call is the pre-agreed rule for who has the right of way on a shallow fly ball that two or more defenders could reach — generally the outfielder coming in over an infielder going back, and whoever calls first and loudest overriding both.
- Power ZoneIntermediateThe power zone is the area in front of and slightly inside the body. There the bat is fastest and most square to the pitch, for maximum energy transfer.
- Pull HittingBeginnerPull hitting is driving the ball to the side of the field that matches your dominant hand — left field for a right-handed batter. It produces power but is the easiest tendency for defenses to shift against.
- Rally OffenseIntermediateRally offense is a team approach of stringing hits together to score multiple runs in a single inning. The primary scoring method when home-run limits are in play.
- Reading a Fly Ball off the ArcIntermediateReading a fly ball off the arc is judging depth, direction, and hang time at contact. Outfielders move on the sound and bat angle, not the full flight.
- Reading Pitch HeightBeginnerReading pitch height is judging early how high a pitch will peak: low legal, mid-range, or high. It lets a hitter set timing and bat path in advance.
- Ready Position (Slow-Pitch Fielding)BeginnerReady position is the balanced, athletic stance a fielder takes just before the pitch. It allows an immediate first step in any direction.
- Recreational League EtiquetteBeginnerRec-league etiquette is the unwritten, participation-first code that keeps casual slow-pitch softball fun, from fair playing time to respect for umpires.
- Relay ThrowIntermediateIn a relay throw, an infielder runs out, takes an outfield throw, and fires it on. It is used when one arm cannot cover the distance with speed and accuracy.
- Rolling the Wrists (Slow-Pitch)IntermediateRolling the wrists is the top hand turning over the bottom hand before or at contact rather than after extension. The direct mechanical cause behind most rollover ground balls.
- Rollover (Slow-Pitch)BeginnerA rollover is a weak grounder, usually to the pull side. The top hand and wrists roll over the bottom hand at or before contact, not after extension.
- Rotational PowerIntermediateRotational power is the energy generated by rotating the hips and torso into the swing, transferring ground-force and core energy through the arms and into the barrel.
- Run RuleBeginnerThe run rule ends a game early when one team leads by a set number of runs after a minimum number of innings. Also called the mercy rule, it is usually 15 runs after 3 innings or 10 runs after 5 innings.
- Rushing the SwingBeginnerRushing the swing is loading and swinging faster than the pitch needs, usually from anxiety or a faster-pitch habit. It leads to early, off-balance contact.
- Senior SoftballBeginnerSenior softball is slow pitch for older adults, with age groups starting at 40 in Senior Softball-USA and at 50 in USA Softball. USA Softball's senior rules allow an arc up to 12 feet, call strikes on a mat behind the plate, and add a second home plate so runners and catchers stay apart. Senior bats are certified to their own standard and are legal only in senior play.
- Short Fielder (Rover)BeginnerThe short fielder, or rover, is slow-pitch softball's 10th defensive player. As a fourth outfielder or extra infielder, they fill gaps the arc creates.
- Short Hop PickupIntermediateA short hop pickup is fielding a ball the instant after it hits the dirt. You take it low and out front with soft hands, not waiting for it to rise.
- Situational HittingIntermediateSituational hitting sets the at-bat goal by game context, not always max power. It might mean moving a runner, driving in a run, or avoiding a double play.
- Slow Roller ChargeAdvancedA slow roller charge is an infielder's hard sprint at a weak grounder, often bare-handing it on the run. It is the one chance to throw out the batter-runner.
- Slow-Pitch Hit-by-Pitch RuleBeginnerUnder USA Softball and USSSA rules, you do not get first base for being hit by a pitch in slow pitch. The ball is dead. Under USA Softball rules, the pitch is a strike if you swung or it hit you in the strike zone, and a ball otherwise.
- Slow-Pitch Outfield AlignmentIntermediateUSA Softball slow pitch uses four outfielders: left, left-center, right-center and right field. Split the outfield into four even lanes, with the two center fielders on either side of straightaway center and the corners shaded off the lines toward the gaps. Then set the depth for each hitter's power and the fence distance, and move all four together toward the pull side of a strong hitter.
- Sportsmanship RuleBeginnerA sportsmanship rule is a formal league policy, unlike unwritten etiquette. It lets officials eject players, forfeit games, or suspend teams for bad conduct.
- Steep Bat PathIntermediateA steep bat path angles down more sharply than the pitch descends, leaving a tiny contact window. Early contact pops the ball up; late contact tops it.
- Stride TimingIntermediateStride timing is when the front foot lands during the pitch's arc. In slow pitch, it should land early, near the peak, with the hands back for power.
- Strike Zone – Slow-PitchBeginnerThe slow-pitch strike zone (USA Softball) is the space over home plate between the batter's back shoulder and front knee. A strike is a legal, properly arced pitch that passes through that zone in flight. Senior play replaces the zone with a strike mat: a pitch that lands on the plate or mat is a strike.
- Striking Out Looking (Slow-Pitch)BeginnerYou strike out looking in slow pitch mostly because you start every at-bat one strike down. Under USA Softball rules the count opens at one ball and one strike, so one taken strike puts you at two. A foul ball with two strikes is also an out. Pick your pitch early, and once you have two strikes, swing at anything that will drop through the zone.
- Sweet Spot Contact (Slow-Pitch)BeginnerSweet spot contact is meeting the ball at the bat's best vibration node, several inches from the barrel end. It transfers the most energy with the least sting.
- Swing PathIntermediateSwing path is the trajectory the barrel takes from the load position through contact and into the follow-through. In slow pitch the optimal path is level-to-slight-uppercut to match the ball's steep descent.
- Swing Sensor Metrics (Slow-Pitch)AdvancedOn-plane efficiency is the share of your swing in which the bat stays on the plane it will meet the ball on. A bat sensor on the knob measures it, along with bat speed, hand speed, attack angle and rotational acceleration. In slow pitch the ball falls steeply, so compare your numbers with your own past swings and your ball flight, not with baseball targets.
- Switch Hitting in Slow PitchIntermediateMost slow-pitch hitters do not need to learn the other side. The pitch is slow and arcs in, so there is no breaking ball that looks easier from one side. Learning to hit lefty can still help a right-hander who wants to place the ball to the right side or start a step closer to first. It only pays off if you practice the new side until you can hit it hard.
- Switching From Baseball to Slow-PitchBeginnerThe biggest change for baseball hitters in slow pitch is timing. The ball falls steeply on a high arc, and baseball hitters tend to swing too early. Wait for the ball to start dropping, stay back and drive it on a line instead of rolling it over or popping it up.
- Tag PlayBeginnerA tag play requires a fielder to touch a runner with the ball, or a glove securely holding it, while the runner is off base. Used when no force is in effect, it is common on run-downs, on runners trying for an extra base, and on any runner not forced to advance.
- Three-and-Two Count StrategyIntermediateThree-and-two count strategy is a batter's full-count approach, one pitch from a walk or strikeout. It protects the plate instead of hunting a perfect pitch.
- Throwing Slow-Pitch Batting PracticeBeginnerGood slow-pitch batting practice looks like a game pitch. Throw from game distance, 50 feet for adults under USA Softball and USSSA rules, with a steady arc inside your league's legal range. Put most pitches over the plate so hitters can groove their timing, then mix in other arcs and locations. Protect yourself with a screen or a face mask.
- Thrown Bat Rule (Slow-Pitch)BeginnerNo, a thrown bat is not an automatic out under USA Softball rules. If the bat slips from your hands, there is no penalty unless it stops a fielder from making a play, which is interference. A player who throws the bat in anger should be ejected. Local leagues may add stricter safety rules, so check yours.
- Time Limit RuleBeginnerA time limit rule sets a maximum game duration, after which no new inning starts. In recreational slow pitch it is commonly 50 to 70 minutes, keeping league schedules on track across multiple fields and multiple games per night.
- Timing the ArcBeginnerTiming the arc is tracking a slow-pitch delivery from release through its descent. The swing starts so the barrel arrives just as the ball reaches the zone.
- Topped BallBeginnerA topped ball is contact on the ball's upper half instead of at or near its center. It drives the ball sharply into the ground, however hard the swing.
- Topspin Contact (Slow-Pitch)IntermediateTopspin contact comes from hitting the upper half of the ball or rolling the wrists over early. The spin makes the ball dive quickly and cuts its distance.
- Two-Hand FinishBeginnerA two-hand finish keeps both hands on the bat well past contact. Hitters and coaches favor it for control and consistent barrel direction through extension.
- Under-the-Ball ContactBeginnerUnder-the-ball contact is the opposite of topping: the bat meets the ball's lower half. It launches steeply into a pop-up or weak fly instead of a line drive.
- Uppercut OvercorrectionAdvancedUppercut overcorrection is swinging much steeper than the pitch's descent angle while trying to add loft or fix topped balls. It trades grounders for pop-ups.
- Uppercut vs Level SwingIntermediateAn uppercut is an extreme upward bat path; a level swing travels horizontally. In slow pitch, neither extreme is optimal — a slight 5–15 degree upswing matches the ball's descent and produces the most solid contact.
- USA Softball (ASA) League FormatBeginnerUSA Softball, formerly the Amateur Softball Association (ASA), publishes a softball rule book and approved-bat list. Leagues may adopt its rules for local and championship play.
- USSSA League FormatBeginnerThe United States Specialty Sports Association (USSSA) runs slow-pitch leagues and tournaments. It uses its own bat rules, team levels, and tournament format.
- USSSA vs USA Softball Bat StandardIntermediateUSSSA and USA Softball (formerly ASA) certify bats with different tests. USSSA slow-pitch bats meet a 1.20 BPF (bat performance factor) standard. USA Softball certifies bats against a batted-ball speed limit of about 98 mph. A bat legal under one stamp is not automatically legal under the other.
- Weak GrounderBeginnerA weak grounder is a ground ball with little exit speed. It stems from off-center contact, an off-balance swing, or contact too far out front or too deep.
- Weight ShiftIntermediateWeight shift is the deliberate transfer of body weight from the back foot during the load to the front foot during the swing, generating forward momentum that adds power at contact.
- Where to Stand in the Batter's Box (Slow-Pitch)BeginnerIn slow pitch, your depth in the box changes how far the ball has fallen when you hit it. Up front, you meet the arc higher and sooner. Deep, you get a longer look at a ball dropping more steeply. Many hitters start in the middle, then creep forward against high arcs or back when they keep getting out in front.
- Which Bat Stamp Do I Need? (USA Softball vs USSSA)BeginnerThe stamp you need depends on who runs your league or tournament. USA Softball play needs one of its approved certification marks, and USSSA sanctioned events need the 2020 USSSA mark. A non-wood bat with only one association's stamp is not legal in the other's events, so ask your league before you buy.
- Wood Bats in Slow PitchBeginnerYes, wood-bat slow pitch exists, but you usually have to look for it. Some local events are wood-only, such as a Lake Tahoe tournament that bans composite bats. In regular leagues, ask before using one. A USA Softball game still needs a bat that meets its official-bat rules, including a taped or corked grip with no bare wood showing.
- Youth Slow-Pitch Softball for GirlsBeginnerSlow pitch can be a great fit for young girls who want to play and hit a lot. The pitch arcs in slowly, so more balls are put in play and more players touch the ball. USA Softball runs girls' slow-pitch divisions from 10-and-under to 18-and-under. Most school and college softball is fast pitch, though, so girls aiming for those teams need fast-pitch skills too.
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