A Hall of Fame pitcher famous for his slider was lefty Steve Carlton. Right-handed pitcher David Cone was famous for his slider, which he was able to use many different ways, as was Bob Gibson of the Cardinals. To right-handed batters, Cone would throw it to hook sharply outside the strike zone, getting hitters to chase and miss it. He threw the pitch from various arm angles to further confuse the hitter. Cone's slider was also a strikeout pitch to left-handed hitters, throwing it to curve back over the outside corner and catch the hitter looking. Cone used the slider effectively during his perfect game on July 18, 1999—the final out was recorded via a slider resembling a wiffle ball. In the first game of the 1988 World Series, Dennis Eckersley tried to strike out Kirk Gibson with a backdoor slider, but Gibson was sitting on that exact pitch and hit a game-winning home run. Joe Carter ended the 1993 World Series with a home run on a slider thrown by Mitch Williams. A remarkable slider was John Smoltz's, which would come in looking like a strike and then break out of the strike zone. Brad Lidge featured a slider in his perfect season as a closer in 2008, and used the pitch to strike out the final batter of the 2008 World Series for the Philadelphia Phillies. Closer Francisco Cordero also throws a slider.[citation needed] Other top pitchers to throw a slider included Hall of Famer Rollie Fingers, who used the pitch to win a Cy Young Award in 1981,[1]and Seattle Mariners and Arizona Diamondbacks starter Randy Johnson, whose slider's lateral movement eventually spawned its own nickname, "Mr. Snappy". At times, Johnson's slider was faster than most pitchers' fastballs. Mike Jackson, who tied Paul Assenmacher with the most games pitched in the 1990s (644), also threw a slider. Ron Guidry threw a slider, which he was taught by Sparky Lyle.
In the stride phase of the pitching motion, a pitcher should be able to draw an imaginary line from the heel of his back foot, through the ball of his stride foot, and onward to the target. Keeping the lower body aligned in a straight line closes a pitcher's hips, directs the shoulders, and allows the throwing arm to reach the "high cock phase" of its arm path in the back of the pitcher's body. Additionally, if a pitcher lands too far to the glove-side of his body, he will open the shoulder too soon. This causes the pitch to be low and outside while creating stress on the arm and reducing velocity. If a pitcher lands too far to the throwing-side, he will inevitably have to throw across his body making the outside part of the strike zone difficult to hit. Plus, if a pitcher throws across his body, he creates an increased amount of stress on the arm.
Whether you're in the middle of a season, practicing in the off-season, or getting warmed up for another year, baseball pitching drills are an excellent way to perfect your technique, work on new pitches, and keep your muscles active and ready. But when you’re juggling school, hobbies, and other activities, you don’t always have time to hit the baseball diamond to practice on your own, and that’s when baseball pitching drills like these three can come in handy.
[circle_list] [h5]Here are the big problems with most drills that teach “good arm action”[/h5] [list_item]Teaching the “L” – this works completely against developing fluid, efficient arm action. The “L” is a point in time. All pitchers should get to this position just before arm acceleration (or what I like to refer to as catapult & extend). But it’s just that – a point – and you pass right through it.[/list_item] [list_item]Starting from the “Power Position” or the “Power-T” (or whatever they’re calling it these days) does not teach good arm action. The act of throwing involves creating momentum and transferring that momentum out into the ball. When you start from a pre-set position, with your arm essentially where it would be mid-throw, you kill momentum and disrupt timing.[/list_item] [list_item]They teach “Thumbs to Your Thigh, Fingers to the Sky” … Catchy, but an awful teach. This is just not what good big league pitchers do, and is not the way to develop a fluid, efficient arm path. The problem is it teaches getting the arm up as the main objective, when really the focus should be on whipping the arm through and getting to a good fully extended release point.[/list_item] [/circle_list] [h5]So Say No to All Drills??[/h5]
In the world of sports power is defined as the combination of speed and strength. Adding more strength to an athlete will help increase an athletes ability to produce power. However, the greatest gains in power are made when both speed and strength are improved. For example, one athlete may be able to throw a baseball a certain distance, but the ball does not travel at a high speed. Whereas another athlete may be able to throw a baseball very fast, but the ball does not travel a great distance.

One of the biggest issues pitchers have when they begin throwing a curve is changing their fastball mechanics. Don’t! Throw the curveball, or any other pitch, using the same arm slot and arm speed as your fastball. The only thing that changes is wrist and forearm angle. With the curveball your wrist and forearm angle look like a “karate chop”. To get an effective rotation on the ball, released the ball late. The curve will squirt or hang when you release it early or you don’t keep your glove in front of you at release. I explain this in greater detail in the you tube video below.
A right-handed pitcher snaps his wrists in clockwise rotation when delivering a curveball (he grips the ball with his middle finger near the top of the ball and his thumb on the bottom---but releases the pitch with his thumb near the top).  A pitcher throws a slider with smaller wrist-break.  He imparts spin by gripping the ball "off-center" (that is, he grips the ball with his middle finger at "2 o'clock"-- instead of 12 o'clock)
The one-knee drill brings you more to the throwing position and allows you to work on your curveball without worrying about the lower half of your body. Once you and your partner have performed a dynamic warm-up, band work and stretched out your throwing distance, stand about 30 to 40 feet apart. Take a knee so your stride leg is in front and your hands are already separated, with the baseball in the throwing position.
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Once you've perfected your fastball, learn how to throw a curveball to improve your pitching skills. A well-thrown curveball looks like a fastball, but it spins in the opposite direction, causing it to "break" in a different direction before reaching the hitter. With a little luck, the hitter will swing early and miss the ball. To master this skill, you'll have to perfect your basic curveball, the straight curveball, and the knuckle curveball.
This simple drill keeps the weight back while in the wind-up. Once the pitcher gets used to it, he can develop a nice natural flow, rock, turn, raise, drop, raise and pitch. Then alternate the drill every other pitch. Pitchers who are comfortable with it, can even do it between innings for a pitch or two just to reinforce their proper piece and keep from rushing.
Step 2: This grip provides maximum rotation movement, more than any breaking pitch. However, many pitchers who are learning this pitch for the first time aren’t comfortable with the ‘tuck’.  It’s not natural at first to tuck your index finger into the baseball. I recommend, preferably during the off-season, to practice tucking your index finger into the baseball. Do it while you’re watching TV!
There’s really just one curveball grip, with a number of different, slight variations. Basically, the curveball a 12-year old throws is the same as most Major Leaguers, but the main difference is execution. As we discussed already, this execution is in the type of spin we apply. Major Leaguers apply topspin, little leaguers apply a sloppy mixture of slow sidespin and topspin.
The innovator of the slider is debated, but some credit Chief Bender as the first to use the slider, also George Blaeholder was credited with using it with the St. Louis Browns then called a "nickel curve", in the 1920s.[6] Others have also credited George Uhle with developing the pitch.[7] Bender used his slider to help him achieve a no-hitter and win 212 games in his career.[8] Bender was the first pitcher to win six World Series games.[6]
In the final phase of this preventative pitching drill the athletes will both face forward. The athlete performing the shoulder portion of the pitching drill will place the KB Powerbands in their outside hand as they laterally lunge and extend their arm away from their body. During this motion it is important athletes use a controlled motion while keeping the arm extended and moving in a straight line. Athletes need to maintain greater control and a slower pace as they bring the hand back toward the body in a controlled motion.
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7. Parallel Feet Drill - Works on upper body mechanics. This drill isolates the upper body. The pitchers face each other chest to chest with the feet at shoulder width. The lower body remains stationary. The ball is held in the glove in the "check-your-pulse" position. The torso twists at a 90 degree angle as the ball is pulled down out of the glove, and in a sweeping arc brought to the power position with the hand always on top, and the elbow at least at shoulder level. The delivery is then made and the proper follow through is checked. The glove elbow finishes pointed toward the sky. The drill emphasizes that the pitcher throws with a "proud chest" that remains closed as long as possible.
The difficulty with this pitch isn't from the pitch itself. In fact, most pitchers feel this grip gives them the most rotation – and most movement – of any breaking pitch. However, many pitchers who are learning this pitch for the first time, aren't comfortable with the "tucking" part. It's not super comfortable at first to tuck your index finger into the baseball.

Let's begin. A pitcher will stand perpendicular to a straight line (like a foul line in the outfield grass or line on a gym floor). If the pitcher is on the pitching mound itself, he can use his spikes to drag out a straight line in the dirt 8-feet long and perpendicular to the rubber (i.e. directly in line with home plate). Then, he simply marks out the distance of his height and drags out a second line in the dirt--only this one is parallel to the pitcher's rubber. If the pitcher is not on a mound, he will simply place a second object like his hat on the ground. This will mark the distance he should be striding toward his target.