Basketball Glossary

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Screener

The screener is the player who sets a screen, also known as a pick, to create separation between a teammate and their defender. This offensive player positions their body as a stationary barrier that the defender must navigate around, allowing the screened player to gain an advantage. Screening is one of the most fundamental and versatile actions in basketball offense, appearing in countless plays, systems, and strategies across all levels of the game. The screener's role requires precise timing, proper positioning, physical strength, and basketball intelligence to execute effectively. A legal screen requires the screener to be stationary with both feet on the floor when contact occurs. The screener must establish position before the defender arrives and cannot move into the defender's path while they are in motion, as this would constitute an illegal screen or moving screen violation. The screener should have their feet shoulder-width apart, knees slightly bent, and arms typically crossed over their chest or held close to their body to avoid extending beyond their cylinder, which would also result in a foul. These technical requirements demand discipline and practice to execute consistently. The screener's positioning relative to the defender determines the type of screen being set. A ball screen, one of the most common types, involves the screener setting up near the ball handler to free them from their defender. An off-ball screen occurs away from the ball to free a teammate who is moving without the basketball. Back screens are set behind a defender, often to facilitate cuts to the basket. Down screens are set for teammates cutting up from the baseline toward the perimeter. Flare screens are angled to direct the screened player toward the sideline or corner. Each type requires different positioning and timing from the screener. The angle of the screen significantly impacts its effectiveness. A good screener understands how to angle their body to force the defender into the most disadvantageous route. In a ball screen, the screener typically angles their body slightly toward the middle of the floor, making it difficult for the defender to fight over the screen and stay with the ball handler. The screener must read the defender's positioning and adjust accordingly, sometimes shifting their angle at the last moment to seal off the defender's intended path. After setting the screen, the screener's job is far from over. In pick-and-roll situations, the screener must make a decision about whether to roll toward the basket, pop out for a jump shot, slip the screen early, or re-screen. Rolling involves pivoting and cutting hard toward the rim, creating a passing angle for the ball handler to deliver a pass for a layup or dunk. Popping means stepping away from the basket to an open spot for a perimeter shot. Slipping the screen involves releasing early to the basket before fully setting the screen, exploiting an over-aggressive defender who is anticipating the screen. Re-screening means immediately setting another screen, often effective when the first screen was navigated successfully by the defense. Elite screeners possess several key attributes. Physical strength allows them to absorb contact when defenders fight through screens and to establish firm positioning that impedes the defender's movement. Wide bodies and strong bases make it more difficult for defenders to slide around screens. However, skill and timing matter as much as physical attributes. A screener must arrive at the screening position at precisely the right moment—too early and the defender can adjust before the screen matters; too late and the screen fails to create separation. Reading the game situation and anticipating where teammates will cut or drive helps screeners position themselves optimally. Communication between the screener and the player using the screen is essential for successful execution. Many teams employ verbal or visual signals to indicate when and where screens will be set. The screener might call out "screen left" or "ball screen" to alert teammates. Similarly, the player using the screen may signal what type of action they want, such as indicating whether they prefer a screen on their left or right side. This coordination ensures both players are working in harmony rather than at cross purposes. Defenses employ various strategies to counter screens, and screeners must adapt to these tactics. When defenders switch assignments on screens, the screener suddenly finds themselves guarding a different player, often creating mismatches. If the defense hedges, meaning the screener's defender steps up to briefly contain the ball handler, the screener must read this and slip to the basket or find open space. If defenders fight over screens, the screener must hold their position firmly without fouling. If defenders go under screens, the screener might pop out to provide a passing outlet for a perimeter shot. Screen-setting has become increasingly sophisticated in modern basketball. In Spain pick-and-roll actions, a third player sets a screen for the screener, creating multiple layers of screening action. Screen-the-screener plays involve a screener setting a pick and then immediately receiving a screen themselves, confusing defensive assignments. Elevator screens use two screeners who close together like elevator doors after a teammate cuts through the gap. These complex screening sequences require screeners to understand not just their individual role but how multiple screening actions fit together. Certain players throughout NBA history have built reputations as elite screeners despite not being primary scorers. These players provide tremendous value by freeing up their more talented offensive teammates for easier scoring opportunities. They understand leverage, positioning, and timing at an expert level. Some classic screeners in NBA history include Ben Wallace, whose physical screens opened driving lanes; Steven Adams, whose bruising picks create separation; and Draymond Green, whose intelligent screening creates advantages for teammates. These players demonstrate that screening is a skill worthy of specialization. Illegal screens occur when the screener violates the rules governing proper screen-setting. Moving screens, where the screener is not stationary when contact occurs, are the most common illegal screen violation. Extending arms or legs beyond the cylinder, leaning into defenders, or setting screens too close to stationary defenders are also illegal. Referees have discretion in calling these violations, and the standards can vary between officials and leagues. Players must understand what they can and cannot do within the rules to avoid turnovers from illegal screen calls. The screener's role in offensive systems varies by coaching philosophy. Motion offenses rely heavily on constant screening away from the ball to create movement and opportunities. Princeton-style offenses emphasize back screens and screen-the-screener actions. Pick-and-roll heavy systems place premium value on screeners who can roll or pop effectively. Some teams employ "screening specialists" whose primary offensive contribution comes through setting quality screens rather than scoring. Understanding the system helps screeners know when and where their screens will be most impactful. Physical conditioning affects screening effectiveness. Screening repeatedly throughout a game requires leg strength to establish firm positioning, core strength to absorb contact, and cardiovascular endurance to recover quickly and sprint into the next action after setting screens. Players who set numerous screens per game must condition themselves to maintain effectiveness even when fatigued. Additionally, the cumulative contact from dozens of screens per game takes a physical toll, requiring players to develop resilience and toughness.