Strength Training for Baseball: The Off-Season Program College Coaches Wish Every Kid Had Done
TRAINING PROGRAM & EXERCISE VIDEOS BELOW
Key Takeaways
Baseball players are built in the off-season — not in games, showcases, or endless cage sessions.
This complete, free strength program requires no gym: bodyweight, a loaded backpack, a detergent jug, a towel, a wall, and a floor.
The program targets bat speed, throwing velocity, sprint speed, shoulder health, hip stability, and injury reduction.
Ages 7–11 train two full-body days per week; ages 12–18 train three.
Video demonstrations for key movements are free in the Mighty Oak Athletic exercise library, with more demos on the way.
The Free Off-Season Baseball Program That Needs Zero Gym Equipment
The off-season is where baseball players are built.
Not in games. Not in showcases. Not in the batting cage, swinging the same swing on the same tired legs for the ninth straight month.
Players are built in the months when a young athlete can get stronger, move better, and lay the physical foundation that makes next season feel easier instead of harder. The 12-year-old who spends the off-season building leg drive and shoulder strength shows up in spring with a faster bat, a livelier arm, and a body that holds up through July. The one who only hits? He shows up with the same swing and a sorer elbow.
At Mighty Oak Athletic in Westmont, Illinois, we believe every kid should have access to high-quality strength training — even if the only gym they have is a bedroom floor. So here it is: a complete, free off-season strength program for baseball players that requires little to no equipment.
Everything you need: bodyweight, a backpack filled with books, a laundry detergent jug, a towel, a wall, and a floor.
Simple tools. Powerful results.
This program improves bat speed, throwing velocity, sprint speed, core strength, shoulder health, and hip stability — while reducing injury risk. And it builds something just as important: confidence.
Warm-Up (5–7 Minutes)
Jumping Jacks – 2 x 30 seconds
High Knees – 2 x 20 seconds
Arm Circles – 10 each direction
Around the Clock – 3 each leg. Opens the hips in every direction a fielder moves.
Toe-Squat-Sky – 8 reps. Hinge, squat, and overhead press in one flow — the perfect full-body primer.
Deep Squat Hold – 30 seconds
Strength Block A – Lower Body & Core
Backpack Goblet Squat — 3 sets x 8–12 reps. Builds leg drive for hitting and throwing. Master the bodyweight squat on video first, then hug the backpack.
Reverse Lunge — 3 sets x 6 each leg. Develops single-leg strength for sprinting and base running.
Wall Sit — 2 sets x 30–60 seconds. Improves leg endurance and posture.
Front Plank — 3 sets x 20–45 seconds. Creates core stiffness for powerful rotation. When 45 seconds is easy, progress to Shoulder Taps.
Strength Block B – Upper Body Push & Pull
Push-Ups — 3 sets x 6–15 reps. Builds pressing strength and shoulder stability.
Backpack Bent-Over Row — 3 sets x 8–12 reps. Strengthens the upper back to support throwing mechanics.
Face Pull with Towel — 3 sets x 12–15 reps. Protects the shoulders and improves posture.
Wall Angels — 2 sets x 10. Restores shoulder mobility and control.
Strength Block C – Power & Rotation
Squat Jumps — 3 sets x 5. Develops explosive lower-body power for sprinting and hitting.
Rotational Chop — 3 sets x 6 each side. Builds core rotation for bat speed. No-equipment variation on video: Seated Cross Punch.
Side Jump (Ice Skater) — 2 sets x 5 each side. Lateral power and single-leg landing control for fielding and base running.
Single-Leg Balance Reach — 2 sets x 6 each leg. Improves ankle, knee, and hip stability for cutting and fielding.
Conditioning Finisher (Optional)
Mountain Climbers – 20s on / 40s off x 4
Bear Crawl – 3 x 20 yards
Farmer Carry – 3 x 30 seconds
Jump Lunges – 2 x 5 each leg (advanced athletes only)
Learn the Movements
Video demonstrations for key movements — linked throughout the program above — are free in the Mighty Oak Athletic exercise library, with more demos on the way, plus training content on our YouTube channel.
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An effective off-season program trains the full body two to three days per week with a warm-up, a lower-body and core block (squats, lunges, planks), an upper-body push-pull block (push-ups, rows, face pulls), and a power block (jump squats, rotational chops). Mighty Oak Athletic publishes a complete free version requiring no equipment beyond a loaded backpack and household items.
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Ages 7–11 should train two full-body days per week; ages 12–18 should train three. More is unnecessary during the off-season and can interfere with recovery, especially for athletes still practicing their sport.
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Bat speed and throwing velocity come from the ground up: squats and lunges build leg drive, planks and rotational chops transfer force from the legs through the core into the bat or ball, and rows and face pulls strengthen the upper back and rear shoulder so young throwers can produce and decelerate arm speed safely.
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No. A complete off-season program can be performed with bodyweight, a backpack filled with books, a laundry detergent jug, a towel, a wall, and a floor. Load can progress by adding books to the backpack; ffree video demonstrations for key movements are available in the Mighty Oak Athletic exercise library.
Want the next level? MOA's training programs take athletes from backpack squats to the barbell — and if you're near Westmont, Hinsdale, Darien, or anywhere in DuPage County, your player's first coached session is free. For the fuel side of performance, grab Mighty Oak Athletic Nutrition on Amazon.
