Rugby
Set Play
intermediate
under 14

Crash Ball Play with Decoy Runners: Breaking the Gain Line

Master the art of penetrating the defensive line using a powerful crash ball carrier supported by deceptive decoy runners to create uncertainty and exploit gaps.

Apr 4, 20265 min read20 min drill10 players
Crash Ball Play with Decoy Runners: Breaking the Gain Line

Equipment Needed

1 Rugby ball
6-8 Cones
3-4 Tackle shields

1. Overview

The Crash Ball Play with Decoy Runners is a fundamental attacking structure designed to get your team over the gain line and establish forward momentum. By utilizing a powerful ball carrier (typically the Number 8 or Inside Centre) running a direct, hard line, supported by two decoy runners running varied angles, you force the defense to make split-second decisions. If the defense hesitates to cover the decoys, the crash ball carrier will break the line. If they commit to the crash ball, it opens up space out wide for the next phase. This play is highly effective off first-phase possession from a lineout or a stable ruck in the middle of the pitch.

2. Setup

Tactical diagram

To run this play effectively in a training session, you will need a standard 100m x 70m pitch, though a 30m x 30m grid is sufficient for the drill.

Equipment Needed:

  • 1 Rugby ball (minimum, though having a few spares is ideal for quick resets)
  • 6-8 Cones to mark the gain line and starting positions
  • 3-4 Tackle shields or hit shields for the defenders

Player Positions:

  • Attacking Team (Blue): Scrum-half (9), Fly-half (10), Inside Centre (12), Outside Centre (13), and a primary ball carrier (Number 8 or a strong forward).
  • Defending Team (Red): 3-4 defenders positioned on the gain line holding tackle shields.

3. Step-by-Step Instructions

Phase 1: The Lineout Variation

Tactical diagram 1

  1. The Setup: The forwards are set in a standard lineout formation. The Fly-half (10) stands 5 metres deep and slightly wider than usual to create space.
  2. The Delivery: The Scrum-half (9) delivers a crisp, flat pass directly to the Number 8, who is bursting from the back of the lineout.
  3. The Decoys: Simultaneously, the Blindside Flanker (6) loops around to the left as a decoy, and the Openside Flanker (7) loops to the right. Both must call for the ball aggressively to draw the defenders' eyes.
  4. The Crash: The Number 8 catches the ball at pace and drives hard and low into the gap between the defenders on the gain line, aiming to break the tackle or secure a dominant contact position for a quick recycle.

Phase 2: The Ruck Variation

Tactical diagram 2

  1. The Setup: Following a ruck in the middle of the pitch, the Scrum-half (9) prepares to clear the ball. The Inside Centre (12) positions themselves flat and ready for a hard, straight run.
  2. The Decoys: The Fly-half (10) runs a sharp diagonal line 'unders' (inside the 12), while the Outside Centre (13) runs an 'overs' line (outside the 12). Both must run hard and demand the ball.
  3. The Pass: The Scrum-half (9) bypasses the 10 and hits the 12 with a flat, fast pass right on the gain line.
  4. The Contact: The 12 takes the ball at full speed, drops their body height, and drives through the defensive line, presenting the ball cleanly for the supporting forwards to secure the next ruck.

4. Key Coaching Points

  • Timing is Everything: The decoys must cross the gain line at the exact moment the ball carrier receives the pass. If they are too early or too late, the defense won't be fooled.
  • Sell the Dummy: Decoy runners must act as if they are getting the ball. They should have their hands up, call for the pass, and run hard lines. A lazy decoy is useless.
  • Depth and Pace: The ball carrier must start deep enough to hit top speed before receiving the ball, but flat enough to cross the gain line immediately upon catching it.
  • Body Height in Contact: The crash ball carrier must lower their center of gravity before contact, driving through with leg drive to ensure they fall forward and present the ball cleanly.

5. Common Mistakes

  • Telegraphing the Pass: The Scrum-half or Fly-half looks directly at the crash ball carrier for too long, allowing the defense to drift and line them up.
  • Flat Decoys: Decoy runners running laterally rather than penetrating the defensive line. They must threaten the space behind the defenders.
  • Isolation: The ball carrier breaks the line but outpaces their support, resulting in a turnover at the ensuing ruck. Support players must track the ball carrier closely.

6. Variations & Progressions

  • The Tip Pass: Instead of taking the contact, the crash ball carrier can throw a late, short 'tip' pass to one of the decoy runners if the defense commits heavily to the crash.
  • The Pull-Back: The Scrum-half passes to a forward pod, who then plays a pull-back pass to the Fly-half (10) standing deep, bypassing the initial crash line entirely to attack the wider channels.

7. Age Adaptations

  • Under 10s / Under 12s: Focus purely on the timing of the run and catching the ball at pace. Use two-handed touch instead of full contact to build confidence in running hard lines.
  • Under 14s / Under 16s: Introduce the tackle shields and focus heavily on body height and ball presentation in contact. Ensure the decoys understand their role in manipulating the defense.
  • Open / Seniors: Implement full contact and focus on the speed of the recycle (ruck speed). Introduce the variations (tip pass, pull-back) to add complexity and decision-making.

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