Player 1 will toss ball onto the backboard get a defensive rebound using all good fundamentals
Player 4 will signal and call for outlet pass.
Player 1 pivots and makes a good chest or overhead pass, then following their pass and joining outlet line.
Player 4 passes to Player 2 and follows their pass to join the rebounding line.
Good team defence is five players guarding the ball, not five separate one-on-ones. The shell drill is where that starts, so here is how to teach help-side positioning and rotations from the first week of the season.
Rebounding is the least glamorous thing in basketball and one of the most decisive. It is also almost entirely a habit, which means it is entirely coachable.
Good spacing is only the start. The best modern offences teach players to attack the defence's rotations and play in a permanent 4-on-3 - here is how to coach that read.