Matt Dunn, Head Boys Basketball Coach, St. John Bosco HS, CA
This video is a segment from one of the 120 Videos in Glazier Drive Basketball. Explore coaching clinic replays, practice plans, skill development videos, and more. Click here to see all that’s included.
Full video on Glazier Drive: 2-3 Matchup Zone: Create Confusion & Turnovers On Defense & Baseline-Out-of-Bounds Plays
OVERVIEW
This video covers a matchup zone defense system, walking through specific drills and game film to teach coaches how to build the right defensive habits. The presenter emphasizes forcing multiple passes, stealing passes in rotation, and keeping forwards from ever being on the same side.
SCRAMBLE DRILL
The foundation drill uses four offensive players in perimeter spots with a coach holding the ball under the basket. Forwards are trained to show out, take away the shot, get the outside hand outside, and drop down. Guards rotate quickly to cover both spots. The goal is to force 3-4 passes, which the presenter considers a successful defensive rep. No flashing to the high post is allowed in this drill.
4-ON-4 AND 5-ON-5 PROGRESSION
The drill evolves into four-on-four using a diamond alignment to simulate matchup situations against a 2-3 zone. The defense always initiates with a guard declaring ball. In five-on-five film review, the presenter highlights how guards arrive early to bait and steal passes back to the top — a major source of turnovers for their defense.
BALL SCREEN PRINCIPLES
The team handles ball screens in their zone the same way they handle them in man defense. As a force-left defense, they want all ball screen actions going left. Whoever guards the screener becomes the show man. Guard-to-guard screens are handled with a simple switch and then a re-match.
GAME FILM — CORONA CENTENNIAL (DONOVAN DENT & JARED McCAIN)
The presenter shares film against one of the best backcourts they’ve faced — featuring future UCLA and NBA players. Rather than pressing, they focused on staying matched up, forcing left, and controlling ball movement. A key takeaway: even against elite guards, disciplined zone principles (taking away the corner pass, forcing non-ball-handlers into decisions) kept them competitive.
KEY TEACHING POINTS
- The two forwards can never be on the same side
- Catch and hold — make the offense be patient
- Prioritize stealing passes over just contesting shots
- Don’t evaluate defense by whether a shot goes in or out
