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Lower Half ยท Velocity

Front Leg Block in Pitching: Why It Breaks Down (and 6 Drills to Fix It)

By DJ Snelten, Owner & Director of Pitching at GUD Baseball

If your front knee keeps bending after you land, you're giving velo away on every pitch.

Once that front foot hits the ground, the lead leg has one job: stop. Think of it like a brake pedal. A firm front leg block stops the lower half, so all the energy you built in your stride has nowhere to go but up - through the hips, into the trunk, and out through the arm.

When the knee keeps drifting toward the plate, or the leg collapses at landing, that energy leaks into the ground instead of the baseball. If you're trying to figure out how to increase pitching velocity, this is one of the first places we look.

Signs your lead leg block is costing you velocity

Why a weak front leg block is rarely a leg problem

More times than not, a soft block is the last link in a chain that started earlier in the delivery. That's what makes lower half pitching mechanics so easy to misread.

Drifting early in the stride

If you drift early, you show up to foot strike with your weight already rushing forward, and the front leg can't catch all of it.

Catching the drop

If you collapse down the mound instead of riding the hinge, the leg lands soft and out of position to brace.

Front foot landing open, on the heel or on the toe

If the front foot swings open or lands on the heel or toe, there's no stable post to rotate around.

That's why "just firm up your front leg" usually doesn't stick. If the problem starts in the stride, the fix has to start there too. Everything happens from the ground up.

The 6 pitching velocity drills we use to fix the block

When the block is the main issue, this is the progression we walk athletes through - med ball first, baseball last. Each step builds on the one before it.

  1. Split Stance Rotational SlamFeel the lead side stop the rotation
  2. RLE Shot PutRotate hard over a firm front leg
  3. Split Stance Rotations (waterbag)The water exposes a soft front leg
  4. RLE Throws (plyo)Same pattern, now with a ball
  5. Split Stance ThrowsBrace first, then let the arm go
  6. Roll-In Split Stance (leather weighted ball)Add movement without losing the post

In the weight room: split squats. If you can't control your body over a single leg slowly, it's tough to brace hard over one at full speed.

Check this firstCan your lead hip internally rotate? If it can't, the body has no choice but to find another way around the front leg - usually by bending the knee or spinning open. No drill fixes a range of motion you don't have. That's why we test lead hip IR, straight leg raise and prone knee bend in every assessment.

Every athlete is different. Two pitchers can have the same soft front leg for completely different reasons, which is exactly why we don't hand everyone the same program.

The goal isn't to lock the knee and hope. It's to get to foot strike in a position where bracing is the easy option.

Front leg block FAQ

Why does my front knee bend after I land when I pitch?

Usually because of what happened before foot strike. Drifting early, collapsing down the mound, or landing with the front foot open or on the heel or toe all make it hard for the lead leg to brace. Limited lead hip internal rotation can also force the knee to bend so the body can rotate.

Does a better front leg block increase pitching velocity?

A firm lead leg block stops the lower half so the energy built in the stride transfers up through the hips, trunk and arm instead of leaking forward. For many pitchers with a soft front leg it's one of the clearer paths to more velo, though every athlete's limiting factor is different.

What drills help a pitcher's front leg block?

We start with med balls and finish with a baseball: Split Stance Rotational Slam, RLE Shot Put, waterbag Split Stance Rotations, RLE Throws, Split Stance Throws and Roll-In Split Stance, paired with split squats.

Not sure where your block breaks down?

Send us video from behind and from the side. We'll break down your mechanics for free and get it back to you within 24-48 hours.

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