4-Out 1-In Spacing
Four players on the perimeter with one player (typically the center) in or near the paint — either on the block, in the dunker spot, or at the short corner. Balances spacing with interior presence.
What It Creates
Interior scoring threat with the player in the paint. Offensive rebounding advantage. Post-up and roll options that 5-out doesn't have.
About This Action
4-Out 1-In Spacing is a foundational offensive alignment that positions four players along the perimeter, typically behind the three-point line, while one player operates in or near the restricted area. The interior player, most often a traditional center or power forward ('the 5' or 'the 4'), provides an anchor within the paint. This configuration is highly versatile, allowing for a strong balance between perimeter driving and shooting threats, and a potent interior presence. Perimeter players commonly occupy positions such as the point, two wings, and a corner, creating natural passing lanes and driving gaps. The '1-in' player can be positioned on the low block for a post-up opportunity, in the 'dunker spot' (the short corner on the weak side) for back-door cuts and offensive rebounding, or even briefly at the elbow for high-low action or screening. The significance of 4-Out 1-In spacing lies in its ability to leverage diverse player skill sets. It's particularly effective for teams with a dominant interior scorer who can demand a double-team, opening up perimeter shots or driving lanes. Conversely, the perimeter spread forces defenders to commit to guarding the arc, preventing them from sagging too deep into the paint and giving the '1-in' player more room to operate. This spacing is a staple for pick-and-roll offenses, where the interior player can set a screen and roll hard to the basket, forcing a defensive decision. It also naturally creates offensive rebounding advantages, as the '1-in' player is often in prime position to crash the boards following perimeter shots. Unlike 5-Out spacing, it doesn't necessitate five perimeter shooters, allowing teams to integrate non-shooting bigs effectively while still maintaining critical floor balance. From a tactical perspective, 4-Out 1-In is the base for numerous offensive sets, including common motion offenses, flex offenses, and even specific set plays designed for post entries or pick-and-roll actions. The interior player's gravity dictates defensive attention, creating opportunities for weak-side action, back-cuts, or slip screens. When executed precisely, with timely cuts, intelligent screening angles, and effective ball movement, this spacing challenges defenses to guard both the paint and the perimeter simultaneously, creating high-percentage scoring opportunities and dictating the tempo of the game.