What are the main difficulties when defending against a throw-in?
Since the ball is in his hands, the player has the opportunity to choose the timing, to accelerate, to slow down or even interrupt the momentum to look for the best solution.
2) TRAJECTORY OF THE BALL:
A long lateral throw-in is difficult to defend because the trajectory of the ball is unusual. In fact, the ball start from a different height than the ground and there is a sudden drop in speed, giving the ball a lofting trajectory which makes things difficult, for example, for the goalkeeper.
3) POSITIONAL SUPERIORITY:
This is a concept very similar to basketball, but we can borrow from it in this case.
On a throw-in, the player who wins the advanced position (in this case, static) has the advantage of dominating the space and, consequently, the ball. If we think of a pivot in the NBA, it makes it much easier to understand why.
4) ATTACKING THE SPACE:
The attacking player has the opportunity to occupy the rebound area ahead of time and set himself up in areas where the opposing team is structurally weak. Getting open preventively (see the Seville images), the midfielder behind and the opposite outside insertion that closes off development are difficult solutions to defend.
5) THE LIMIT OF MAN-TO-MAN DEFENSE:
If you decide to mark man-to-man on a throw-in, you become a slave to the attackers’ movements and, if they are well organised, they can easily find a space from which to attack.
If you do not have the clear advantage (and therefore not sure that you can recover the ball and control it), a possible solution is to loosen up man-to-man marking and occupy the space in a more even way, trying not to lose your positions and your points of reference (ball, teammates, opponents), attacking the ball carrier later and aggressively only after he has controlled the ball. Defensive Stalling.