whats the difference between a normal fastball, and a 4 seam fastball? how are they held, and what do they do?
444441
A 4-seam fastball tends to rise in the strikezone while a 2-seam fastball has more of a sink to it
432214
What type of grip are you using on your fastball? Are you throwing two seam or four seam?  For maximum velocity from grip, grip the ball with the tips of your fingers and less bottom finger/palm.  Note: you will lose some control of these pitches, so don't introduce them until you have found a comfortable fingertip grip.  Another suggestion, talk to your pitching/catching coach! \nOther than that, you need to have maximum extension of your throwing arm...think of your arm as a whip.  Start doing some exercises to increase your thighs, as they provide a solid source of core power/velocity.
535264
They're the numbers of the players.\n\n   1. Pitcher P (infield)\n   2. Catcher C (infield)\n   3. 1st Baseman 1B (infield)\n   4. 2nd Baseman 2B (infield)\n   5. 3rd Baseman 3B (infield)\n   6. Shortstop SS (infield)\n   7. Left Fielder LF (outfield)\n   8. Center Fielder CF (outfield)\n   9. Right Fielder RF (outfield)\n\nSo a 4 1 3 double play would mean that the 2nd baseman threw the ball to the pitcher who threw it to the 1st baseman.
592726
Grip the ball as you would a two-seam fastball, holding it with your middle and index fingers at the point where the seams are closest to each other.\n \n2.  Spread your middle and index fingers outward and along the seams, extending them to the point where the seams are farthest from each other. (Image 1)\n \n3.  Support the ball with your thumb and small fingers. Your thumb should lie along the seam stitched on the underside of the ball, while the ball should rest in a "V" formation. (Image 2)\n \n4.  Go into your windup. Remember to pivot and shift your body weight from your back foot forward toward home plate. (Image 3)\n \n5.  Keep your wrist loose as you release, and try not to throw the ball with more than an adequate amount of force.\n \n6.  Throw the pitch using the same motion as a fastball, flicking your wrist downward as you release. (Image 4)\n \n7.  Follow through. Your feet should parallel each other at the end of the pitch, and your throwing arm should come across the front of your body. (Image 5)
909869
It wouldnt vary from any other form of softball/baseball.\n\nKeep your weight back\nback elbow up\nwhen the pitcher is about to release the ball begin to move the weight forward\nthe butt end of the bat should follow through towards the pitcher, leading the hands\nkeep your head down, you want to watch the ball hit the bat\npivit your back foot, somtimes called "squashing the bug"\nfollow the swing all the way through
65835
With a turbulent boundary layer on both sides of the ball, the effect of the seam is reversed. It now acts as a ramp, pushing the turbulent air away from the ball and causing the boundary layer to peel away sooner. That makes the pressure on that side higher, forcing the ball to swing towards the batsman.\n\n To get reverse swing with a new ball, smooth on both sides, experiments show that the bowler has to reach 80-90 miles per hour to get appreciable movement. This kind of speed has only ever been achieved consistently by a few bowlers. A scuffed ball however can generate substantial reverse swing at speeds well within the capabilities of any medium-paced bowler.\n\nThe ideal ball for reverse swing has one side rough, the other smooth, with a prominent seam in between. The seam should be angled at about 15 degrees to the direction of flight, pointing away from the desired direction of movement. The ball can then be swung both into and away from the batsman depending solely on which side of the ball is delivered at the front - generating either normal or reverse swing. Because the bowler does not need to change either his grip or his action, the batsman will have no clue which way the ball is likely to move.\n\nFor reverse swing the amount of sideways movement is related to the speed of delivery, making this a particularly effective delivery for fast bowlers.
782808
They're just called stitches, or raised stitches.\n\nThe seams are what is created when the two pieces of material are sewn together - hence the terms "two-seam" or "four-seam" when referring to pitches.\n\nThey are NOT called seams, and anyone who says so needs to grab a dictionary and look up what a "seam" is - without the stitches, there would be no seams.
1057992
1.  As a hitter, you look for top spin (opposite of fastball).  Also, occasionally a pitcher will drop his elbow when he throws the curve.  Look for that.\n\n2.  The best 0-2 pitch is often a fastball high and in.  It's called "wasting a pitch" but either causes an aggresive hitter to swing at a bad pitch or sets up a timid hitter to put a bad swing on a next pitch low and away.\n\n3.  For velocity and control, go with the "4-seam" grip (across the widest space between seems).
382160
i assume you're talking about baseball; but all it is is that there is a spinning wheel incased in a large metal structure. there is a whole where a baseball is placed. depending on how fast you want the pitch to go you can adjust the speed the wheel turns. once the ball goes down the chute and lands on the wheel, the wheel accelerates the ball forward, simulating a pitch
251241
It is all in the grip.  I think the only difference between a major league change-up and any other is being able to locate them consistently.  The mechanics is the same.\n\nSee the link below for some illustrations.
721850
I was under the impression that they were different size balls. But this guys says they are the same. Check out these links.
593935
The flipper: The cleverly disguised ball, pitched short of a length, would skid off the surface and crash into the batsman's pads or stumps. Rather than turn away from the bat like a normal leg-spinner or towards the batsman like a googly, the flipper skids on low and fast after pitching. The ball is "squeezed" between the thumb and fingers in a way so it spins backwards and skids on low and fast with under-spin after hitting the pitch.\n\nTop Spin: the ball will kick off the pitch with extra bounce, often striking the batsman high on the bat or the gloves. It is delivered from the side of the hand, halfway between the release of a leg break and a googly.
685778
Say a manager wants to insert an outfielder (OF) into the game. He decides to put him in centre field, but in a double switch, instead of the centre fielder coming out for the new player, he instead takes the place of another field player say the right fielder. So in the end, you have the newly inserted outfielder in centre, and the former centre fielder playing right field.\n\nThis is most commonly used in the infield instead. Infielders usually can only play one position. A double switch allows infielders to play their natural position, while also allowing the manager to keep the players he wants in the game on the field.
620214
As already stated, it's a rules issue. \n\nEither bat will work with either ball, they are made out of the same materials.\n\nBaseball bats have larger barrels, would be easiear to hit a softball. Hint; to improve your baseball swing, practice with a softball (skinny barrel) bat. When you change back to the baseball bat you'll feel like you're swinging a tennis racket!\n\nBaseball bats must meet (and be stamped) BESR Certified (Bat Exit Speed Ratio) for most HS play, or meet certain length to weight ratios for other play. All haive size/dimension restrictions. Wood bats only have size/dimension restrictions, and are legal in all play.\n\nSoftball bats for HS and most league play must be listed on an approved list published by the ASA (Ameteur Softball Association) and bear a certification mark. Proper sized wood bats are also legal.
1115190
It depends on whether they're using a pinch runner OR something called a courtesy runner.  Pinch runners are actually players that will go in for the player they're running for in the lineup, i.e. a replacement.\n\nCourtesy runners are typically for the pitcher and catcher, mainly to keep the pitcher from getting tired running the bases and the catcher to help speed up the game so he can get his gear on between innings.  (Rules state the time between innings should be limited to ONE MINUTE or eight pitches, whichever comes first).  When courtesy runners are used, to prevent the coach from simply picking his fastest runner, the player that can run should be the last batter who got out.  This explains why the boy who just struck out was the runner.
658494
the split finger fastball is thrown very much like a two-seam fastball. So, starting with the two-seam grip, move your index and middle fingers about a centimeter appart each. Than follwo through and throw like a traditional fastball. The result should be a downward movement.
1127385
Use the ball's shape as a weapon. For example, a softball curves mores than a baseball, but this principal is the same - a four-seam curveballl will curve 3-times more than a two-seam curveball.\n\nThis can be a weapon, you can throw a two-seam curve or two-seam fastball. Then throw the identical same pitch but rotate the ball 90 degrees in the grip, thus throwing a four-seam and the pitch will look identical for the first 2/3rd of the flight but curve 3-times more in the last 1/3rd of flight.\n\nTrue for baseball as well.