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I'm an agnostic when it comes to a silver bullet statistic. Sure, it might exist somewhere, but I haven't seen evidence to support that. Instead, I think the sheer number and variety of statistics we have show just how much beauty and nuance there is in the game, and why it's the greatest game that's ever been. That said, I like OPS+ because it incorporates many different things -- getting on base (i.e. not making outs) and slugging, while also putting those performances into the context of a time (the season) and place (ballaparks). I also like the simplicity of 100 being average -- so if you see something like Barry Bonds' run of four years with a 230 or better OPS+ is simply superhuman (or some may say, unnatural).
Most baseball players think that hitting is all about the upper body and that they can simply ignore the fitness of the lower body. This is a grave mistake. When you are swinging your bat on the plate, your legs and trunk are playing a critical role in supporting your swing and adding momentum to it. So make lower body exercises a regular part of your drill as well. The lower body will help you add that extra bit of power into your hitting.
Leyland’s reference to "moneyball" when the topic of on base percentage came up (and he actually brought it up) might give us a sense of how one that is resistant to the "new way of thinking" looks at sabermetrics. To some, moneyball and sabermetrics are one in the same. Leyland did make reference to "the guys that make the money" when referring to sluggers. No doubt this is true. Players with big home run and RBI totals get paid more as free agents than players with only a high on base percentage or guys that play solid defense. The movie "Moneyball" features Oakland A’s GM Billy Beane, who tries to field a winner by assembling players that cost less money but have high on base percentages, run the bases well, and play solid defense. So it’s easy to see where Leyland, and no doubt many others, get the idea that "moneyball" and sabermetrics are all about "on base, on base, on base."Actually, that is a gross over simplification of what sabermetrics is all about. 

Through Phase 2 the hitter can start to also make adjustments to inside or outside pitches. If the pitch it outside, Phase 2 will be significantly shorter so that they can start to enter Phase 3, the “release”. If however the pitch is inside, the hitter should continue in Phase 2 longer so that there is zero loss of force. Hitters that stop their shoulder rotation too soon are almost always going to compensate with the pushing of their arms.  
Here's a quick example: Ichiro Suzuki had a record 262 hits in 2004. He also walked 49 times and was hit by 4 pitches. The sum is 262 + 49 + 4 = 315. He had 704 at bats, 49 walks, 4 hit by pitches, and 3 sacrifice flies on the year. That sum is 704+49+4+3=760. Dividing 315 by 760 gives the on base percentage of .414. That's not too bad, but it's not much higher than his batting average, which was an impressive .372. By comparison, Jose Bautista had a respectable batting average of .286 in 2014, but still reached base at a very strong .403 clip, helped by 104 walks.
[box]About the source, Pro Scout Jim Thrift.  Jim’s 28 year career in baseball includes 4 years scouting for the Baltimore Orioles in the amateur, pro and international divisions, 15 years with the Cincinatti Reds as a Major League scout, amateur scout and National Cross Checker, triple A hitting coach, and a long list of other impressive experience in professional baseball. [/box]
I am a 13 year old beginner and I am struggling with the mechanics but have the basic knowledge of hitting. This article really helped me, just today i went to a batting cage after reading this article and used all of these steps, my first time trying i was unsuccesful missing 3 of the first pitches but after i relaxed my hands and stopped trying to hit the ball as hard as i could i hit my next 8 balls. My mom has also been pushing me to hit the gym so i could hit the ball harder, but after reading this article she has been pushing me more to increase bat speed instead of working out. Thank you so much Doug I’m hoping i have a future in baseball and can be as successful as you were.
These six drills are designed to generate more power for hitters across the games of softball and baseball. Working on a good path to the ball and through the zone is immediately one of the most important factors in driving the ball. Once that is worked, then can work on several drills to improve hip and lower half rotation, then work into weight transfer from the back leg through the zone, and put it all together with the crossover drill. For more drills to improve power for softball hitters, check out the hitting drills in The Hitting Vault.
Batting average (AVG): Right off the bat, we've got to say that batting average is not the best stat to judge offense. There's too many things wrong, starting with the fact that there are a lot of variables involved such as not including walks, or the subjective nature of awarding hits and errors. Still, what batting average does have over all the other statistics is history and context. We all know what a .300 hitter is, we know how bad a .200 hitter is and how great a .400 hitter is. We still celebrate the batting crown, and although not as much as we once did, it still means something and probably should. -- C. Trent Rosecrans
In certain unofficial calculations, the denominator is simplified and replaced by Plate Appearance (PA); however, the calculation PAs includes certain infrequent events that will slightly lower the calculated OBP (i.e. catcher's interference, and sacrifice bunts).[4] Sacrifice bunts are excluded from consideration on the basis that they are usually imposed by the manager with the expectation that the batter will not reach base, and thus do not accurately reflect the batter's ability to reach base when attempting to do so.[1]
Certainly this feat also involves an almost instantaneous ability to estimate trajectories. In the case of the frog, researchers have been able to locate specific nerve cells in the frog retina and in the brain which are excited by small, dark, moving objects. The frog apparently pays no attention to these objects until their images begin to grow bigger on his retina, indicating that they are moving closer to him. If all other visual cues are right, out goes the tongue.

This is often overlooked but feeling torque in your front side is important. Work on this by trying to hit a ball as far as you can off a tee. Feel the hands back as your bottom half starts your swing. The torque created from separation is extremely important if you want to hit the ball further.  Click here for more tips on how to achieve good separation in your baseball swing.
Explosive Hips are crucial to power hitting. They are also the most overlooked and underdeveloped group of muscles. They are typically extremely tight and weak. The two best things you can do to “unlock” your power in your hips; a comprehensive mobility routine and exercises that involve your hips. I like exercise that involve these two skills in one movement; lateral lunges and single leg split squats are two exercises that create mobility in the hips and are powerful movements.
Major League Baseball hitters are commonly judged based on their batting average, homeruns, and runs batted in (RBI). Those are statistics familiar to most fans, although they only tell a very small part of the story. Another important statistic is On Base Percentage (OBP). It shows how often a batter reaches base safely, whereas batting average only considers hits.
The first of those numbers represents batting average. While most fans know about this stat, I’ll touch on it briefly just to make sure that I have all of my bases covered (baseball pun intended). Batting average is calculated by dividing a player’s total number of hits by their total number of at bats, which gives you a number that tells you how often (on average) that player gets a hit.
Barry Bonds, who set the record for the most home runs in a season than any other player in Major League Baseball history, is often cited as a power hitter. His career was later bogged down by issues regarding performance enhancing drugs. However, he managed a total of 762 home runs while also earning a comparatively high ISO compared to his rivals, with the publication Business Insider labeling him #3 in a list of the greatest power hitters of all time.[2]
Equal power and equal run scoring abilities, yet using batting average, Dozier is inferior.  It doesn’t seem fair that two players of equal skills are ranked so far apart in fantasy, but player X had 31 more hits while Dozier had 31 more walks with the same results.  If you’re a numbers guy you might have guess who player X is, but for those that haven’t figured it out, it’s Anthony Rendon.  Rendon is shooting up draft boards while Dozier is left waiting until the mid-early rounds.  If there was a poster boy for using OBP over BA, it’s Dozier. 

Runs scored (R): Aside from when a player hits a home run, he'll need some help from teammates -- most of the time -- to score a run. Still, players can do a lot to increase the number of times they score. Getting on base frequently, stealing bases, taking extra bases on singles or doubles, taking a base on a passed ball right in front of the catcher or even being such a scary baserunner to draw a balk are ways to spin around the bases better than others. Guys who score the most runs are great players, not those simply lucky to have good teammates driving them in. Here are the top 10 all-time in runs scored: Rickey Henderson, Ty Cobb, Barry Bonds, Hank Aaron, Babe Ruth, Pete Rose, Willie Mays, Cap Anson, Stan Musial and Alex Rodriguez. Marginalize that group at your peril. - Snyder
Now that we’ve covered slash line statistics and plate discipline numbers, all that’s left to go over is batted ball data. The most common batted ball stat that is used is batting average on balls in play, or BABIP for short. While a typical batting average tells you how often a player gets a hit in general, this batting average determines how often a player ends up getting a hit when they hit the ball within the field of play. It is calculated by subtracting home runs from totals hits and dividing that by at bats minus strikeouts minus home runs plus sacrifice flies, which translates to the following formula:
Most baseball players think that hitting is all about the upper body and that they can simply ignore the fitness of the lower body. This is a grave mistake. When you are swinging your bat on the plate, your legs and trunk are playing a critical role in supporting your swing and adding momentum to it. So make lower body exercises a regular part of your drill as well. The lower body will help you add that extra bit of power into your hitting.
Fossil evidence indicates that early humans hunted and ate other animals, and this seems to suggest that our catching and throwing capabilities may well be rooted in our development as hunters and tool users. Hitting or catching a moving animal requires an ability to estimate its path in advance. These are the basic skills required for every game of catch and throw, but for our ancestors, they may have been requirements for survival.
IFH% – This stands for infield hit percentage, which is the percentage of ground balls a player hits that end up being infield hits. It actually ties right into the fact I mentioned earlier about speedy players beating out grounders, and IFH% is the stat we use to measure that skill. Players with a GB% and IFH% that were both above-league average put up a .315 BABIP last year, as opposed to their counterparts, whose BABIP was just .300.
BAA is very common in evaluating pitchers -- especially when assessing opponent handed-ness splits. A pitcher cannot have an ERA against left-handed hitters because they are interspersed with righties in lineups. So when a pitcher's ability against hitters from each side of the plate is being compared, it is usually done by using either BAA or OPS-against.