The Leadoff Baseball Flatwork Pitching Bump Trainer is a low-profile training tool designed to bridge the gap between flat-ground throwing and full-slope mound work. Whether a pitcher is breaking down mechanics, developing off-speed feel, or working back from injury, the Flatwork gives them a dedicated surface to do it right.

Why Throw from Flat Ground?

Flat-ground throwing is a foundational training practice used by pitchers at every level — from youth development to professional rehabilitation programs. Without the assistance of a mound's downhill slope, a pitcher must rely entirely on proper body sequencing, leg drive, and rotation to generate velocity and command. That constraint builds the mechanical foundation that transfers directly to mound performance.

What the Flatwork Pitching Bump Trainer Adds

Flatwork Pitching Bump Trainer isn't flat ground — it's a purpose-built 2-5/16" rise that introduces just enough elevation to reinforce hip hinge, drive mechanics, and release point consistency without the full variability of a regulation mound. It's the ideal tool for focused, lower-intensity reps where mechanics are the priority.

Key Training Benefits

• Mechanics and Body Control — forces pitchers to use their legs and rotation efficiently to generate power, an often-overlooked skill when always training on a full slope
• Skill Work and Experimentation — at 50–75% intensity, the Flatwork creates an ideal environment for developing off-speed feel, grip adjustments, timing, direction, and release consistency
• Rehabilitation and Arm Care — a standard tool in interval throwing and return-to-throw programs, providing a less stressful surface to gradually rebuild arm strength and stamina between high-intent mound sessions
• Convenience — at 6.6 lbs, it sets up anywhere: indoors, outdoors, in a cage, or on a field — no mound required

Built for Coaches and Facilities Too

The Flatwork is also a camp and facility staple. At just 23-11/16" × 16-1/4", multiple units fit where full mounds can't. Run 6 simultaneous pitching lines, use them for warm-up progressions, or station them for mechanical breakdown work before pitchers graduate to the full slope. Available in multi-unit bundles — see the Flatwork Pitching Clinic Bundle for camp pricing.

Specs

• Weight: 6.6 lbs
• Dimensions: 23-11/16" × 16-1/4"
• Rise: 2-5/16"
• Construction: Exterior-grade Baltic Birch
• Surface: Eco-friendly clean recycled rubber
• Joinery: Titebond III waterproof glued

The Flatwork in Your Pitching Program

Flat-ground work complements — but does not replace — mound training. Use the Flatwork at the start of sessions for mechanical focus, during recovery days for arm care, or anytime a pitcher needs to slow down and rebuild a specific part of their delivery. When they're ready to put it all together, step up to a Leadoff portable pitching mound.