Triangle and Two Defense

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The Triangle-and-Two Defense is a particular type of defense used in basketball. The Triangle-and-Two is a hybrid between a man-to-man defense in which each defensive player is responsible for marking a player on the other team, and a zone defense in which each defensive player is responsible for guarding an area of the court.

In a Triangle-and-Two Defense, three players play zone defense, and align themselves in a triangle protecting the basket, with typically the power forward and center playing directly under the basket, and the small forward playing towards the foul line.

The shooting guard and point guard in a Triangle-and-Two defense play man to man defense, typically marking the opposting team's best offensive players on the perimeter.

A Triangle-and-Two defense is usually used against teams with a dominant scoring backcourt. It is also often used simply to disrupt the play of the opposing guards, who are generally the best passers on the floor, thus disrupting the entire offense. The idea is to try and shut perimeter players down by forcing them to score against a dedicated man-to-man player, and a supporting zone. The set was often used against the dynamic backcourt of Jameer Nelson and Delonte West of Saint Joseph's University in 2004.

The biggest weakness of a Triangle-and-Two defense is its vulnerability to cutter's through the lane, and also against good passing from the forward spots. Teams with good passers on the floor are often able to easily find flaws in this defense.

One variation of the Triangle-and-Two is the Diamond-and-One, where the four players in the box are arranged in a diamond pattern (one under the basket, two between the basket and foul line, and the fourth at the foul line). Another variation is the Box-and-One Defense, in which four defenders play zone defense in a box shape around the key, while the remaining defender plays man-to-man defense.