
Coach Gerald Bautista
Hitting Coach, Aberdeen IronBirds (MLB Draft League) | Former Professional Baseball Player | Son of an MLB Player
Gerald Bautista spent nine years competing in professional baseball, including time in the Cleveland Guardians organization and independent leagues. Today he serves as the Hitting Coach for the Aberdeen IronBirds of the MLB Draft League — developing the next generation of professional hitters at the highest level of pre-MLB competition. The son of a professional baseball player, Gerald brings a lineage of baseball knowledge alongside his own nine years of professional experience.
Credentials & Experience:
- ✓Hitting Coach, Aberdeen IronBirds (MLB Draft League)
- ✓9 years of professional baseball, including Cleveland Guardians organization
- ✓Son of a professional baseball player — lifelong baseball education
- ✓Specializes in swing mechanics, plate approach, and hitter development
5 Drills to Increase Bat Speed
Bat speed is not just about swinging harder. These five drills train your body to generate speed through proper mechanics, sequencing and intent.
MLB's Statcast bat tracking data shows the average major league swing speed is 71.5 mph. Giancarlo Stanton tops the leaderboard at around 80.6 mph. These numbers come from the best athletes on the planet after years of development.
Youth players obviously will not match those figures. But the principles that create bat speed are the same at every level. The foundation starts with proper weight transfer mechanics. It starts with the legs, moves through the core, and finishes with the hands. Drills that train this sequence build real, transferable bat speed. Drills that just tell kids to "swing harder" do the opposite.
Here are five drills that actually work. Each one targets a specific part of the swing speed equation. Use them in order during a practice session for the best results.
Overload-underload training
This is the gold standard for bat speed development. The concept is borrowed from track and field, where sprinters train with weighted sleds (overload) and downhill running (underload) to expand their speed range.
For hitting, it means swinging bats that are heavier and lighter than your game bat. The heavy bat builds functional strength in the exact movement pattern of your swing. The light bat teaches your nervous system to move faster than it normally does. Together, they expand the range of bat speed your body can produce.
The Protocol
- 1.Use a bat that is roughly 20% heavier than your game bat. Take 5 swings with max intent off a tee.
- 2.Switch to a bat that is about 20% lighter. Take 5 swings with max intent off the same tee.
- 3.Finish with 5 swings using your game bat. You should feel faster than normal.
Companies like Driveline and Axe Bat sell matched sets of overload-underload trainers. You can also use a donut weight for overload and a broomstick handle or lighter bat for underload.
Research shows some players increase bat speed by as much as 10 mph with consistent overload-underload training. For off-season, aim for 3-4 sessions per week. During the season, 2-3 sessions with fewer reps keeps gains without causing fatigue.
Related Reading:
Hip-lead dry swings
Bat speed starts in the hips. If the hips do not fire first and create separation from the upper body, the swing loses its whip effect. This drill isolates that hip-lead movement so the hitter can feel what proper sequencing is like.
How to Run It
- 1.Stand in your batting stance without a bat. Cross your arms over your chest.
- 2.Stride and fire the hips as hard as you can. Let the upper body follow naturally. Do not force the shoulders to rotate. Let the hips pull them.
- 3.You should feel a stretch across your midsection between the time your hips fire and your shoulders follow. That stretch is stored energy.
- 4.Do 10 reps, then pick up the bat and take 5 swings trying to recreate that same feeling.
This drill is especially useful for hitters who are "all arms." This is one of the most common swing flaws coaches see. If a player generates most of their bat speed from the hands and arms, they are leaving a massive amount of speed on the table. The hips and core should contribute 60-70% of the total bat speed.
Connection ball swings
A connection ball (or a rolled-up towel) placed between the front arm and the torso during the swing trains the hitter to use their body rotation to swing the bat instead of just the arms.
When the arms disconnect from the body, the hitter loses the rotational force that creates speed. The arms work independently of the torso, producing a slow, weak swing. The connection ball prevents this by falling out if the arm separates from the body too early.
How to Run It
- 1.Tuck a small ball or towel between your lead arm and your rib cage.
- 2.Take swings off a tee or with soft toss. The ball should stay in place through contact.
- 3.The ball can drop after contact during the follow-through. That is normal.
- 4.If the ball drops before contact, the arms are disconnecting too early. Slow down and focus on rotating the body and letting the bat follow.
This drill produces an immediate "aha" moment for most hitters. They feel the difference between arm-powered and body-powered swings right away. The ball off the bat sounds different too. A connected swing produces a sharper crack.
Max intent tee work
Most tee work is done at 70-80% effort while focusing on mechanics. That is valuable. But you also need sessions where the goal is pure bat speed. That is max intent work.
The concept is simple: swing as hard as you possibly can on every rep. Do not worry about where the ball goes. Do not worry about making perfect contact. The only goal is moving the bat as fast as your body can manage.
This trains the neuromuscular system. Your body has a speed governor, the same way a car has a rev limiter. Max intent work teaches the nervous system that it is safe and allowed to move faster. Over time, the governor resets higher.
Programming:
Keep max intent sets short. 3 sets of 5 swings with full rest between sets. If you start getting tired, stop. Tired max intent swings train your body to move slow, which is the opposite of the goal. Quality over quantity, always.
If you have access to a bat speed sensor (Blast Motion, Diamond Kinetics, or similar), use it during max intent work. Having a number on screen pushes hitters to compete against themselves. "Can I beat 63 mph?" That competitive element makes the drill more effective.
Medicine ball rotational throws
This is not a bat drill. It is a power development drill that directly transfers to swing speed. Rotational medicine ball throws train the same muscles and the same movement pattern as a swing, just without a bat in hand.
How to Run It
- 1.Stand sideways to a solid wall, about 4-5 feet away. Hold a 4-8 lb medicine ball at your back hip (use a lighter ball for younger players).
- 2.Load into your back hip, then rotate explosively and throw the ball into the wall.
- 3.Catch the rebound and reset. Focus on driving the throw from the hips and core, not the arms.
- 4.3 sets of 8 throws per side, 2-3 times per week.
This drill builds rotational power, which is the single biggest physical contributor to bat speed. It also reinforces the sequencing pattern: load into the back side, fire the hips, then let the upper body and arms follow. Every good hitting program in the country includes some version of rotational med ball work.
Putting it all together
Here is a sample weekly bat speed development schedule that works for most 12U and older players.
| Day | Drill Focus |
|---|---|
| Monday | Med ball throws + overload-underload training |
| Tuesday | Connection ball tee work + hip-lead dry swings |
| Wednesday | Rest or light mechanical tee work |
| Thursday | Max intent tee work + overload-underload |
| Friday | Med ball throws + connection ball work |
Speed starts with focus
The best bat speed drill in the world does not work if the player is going through the motions. Mental training directly impacts hitting performance by ensuring every rep has intent. Mind & Muscle trains the focus and intent that make every swing count.
Download Free TodayFrequently asked questions
Average bat speed for a 12-year-old is typically in the 40-50 mph range, with elite 12U players reaching 55-60 mph. These numbers vary based on the players size, strength, and swing mechanics.\n\nDont get too caught up in the numbers at this age. What matters more is that bat speed is trending upward and that the player is developing proper swing sequencing. A player who swings 45 mph with good mechanics has more upside than one who swings 55 mph with an arms-only swing.
During the off-season, 3-4 sessions per week is ideal for bat speed development. Each session should include overload-underload training plus one or two additional drills, lasting about 20-30 minutes total.\n\nDuring the season, scale back to 2 sessions per week with fewer reps to maintain gains without causing fatigue. Max intent work should always be done when the player is fresh, not at the end of a long practice when theyre tired.
Research on this is mixed. Swinging a weighted bat immediately before an at-bat can create a perceived increase in bat speed, the game bat feels lighter. But studies show the actual bat speed doesnt increase significantly from donut use alone.\n\nStructured overload-underload training with matched heavy and light bats produces much better results than simply swinging a donut. The donut can be useful as part of a warm-up routine, but it shouldnt be your primary bat speed development tool.
Yes. A significant portion of bat speed comes from swing mechanics and sequencing, not raw strength. A player who learns to fire the hips first, maintain connection between the arms and body, and use proper hand path can see meaningful bat speed gains without adding muscle.\n\nThis is especially true for younger players who havent gone through puberty yet. Mechanical improvements and neuromuscular training like max intent work can increase bat speed by 5-10 mph without any changes in body size.
The most effective and affordable option is a matched set of overload-underload training bats. Companies like Driveline, Axe Bat, and SuperSpeed make sets specifically designed for this purpose.\n\nBat speed sensors like Blast Motion and Diamond Kinetics are valuable feedback tools that help players track progress and compete against themselves. However, the sensor alone doesnt increase bat speed, its the training that does. If you had to choose between buying a sensor and buying an overload-underload set, the training bats will produce more gains.
With consistent overload-underload training 3-4 times per week, most players see measurable gains within 4-6 weeks. Some players notice a difference in how the bat feels within the first two weeks, even before the numbers change significantly.\n\nThe biggest gains come in the first 8-12 weeks of a structured program. After that, improvements become more incremental. Maintaining the training year-round, even at lower volume during the season, prevents regression.
Related Resources
- Best Baseball Swing Analysis Apps — AI-powered swing analysis tools ranked for youth and high school players
- Best Baseball Training Apps for Kids — top-rated player development apps for youth athletes
Related Articles
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The Science of Weight Transfer in Your Swing
How the kinetic chain turns lower body power into bat speed.
Common Swing Flaws in Youth Baseball
7 swing flaws coaches see every day and how to fix them.
Can Mental Training Improve Your Batting Average?
The data-backed connection between mental training and hitting performance.
Bat speed doesn't develop in isolation—it requires both physical training and mental preparation. Young players who struggle with bat speed often lack confidence in their swing, leading to hesitation at the plate. Mind & Muscle combines proven overload-underload drills with mental performance techniques to maximize results. Our approach teaches players to visualize explosive contact, manage pre-pitch anxiety, and maintain focus during high-pressure situations. Parents and coaches see faster progress when addressing the mental blocks holding players back. By pairing technical bat speed work with confidence-building exercises, your player develops the complete skill set needed for competitive travel ball. Start with our guided drills and mental training modules designed specifically for youth baseball and softball players ages 8-18.
