Answer: True
Step-by-step explanation:
Assuming this is a true or false question then the answer is true.
Man-to-man marking as the term infers, means that a player is given the task of following an opposing player and trying to defend against the actions of this player.
This is a very popular strategy in basketball and can see players of the same role marking their opposing number such as small forwards making opposing small forwards. It is also popular in soccer where a defender could be assigned to an attacker.