Most salespeople hate role play even though it is one of the best tools to help them grow. Unfortunately, traditional role plays set up a salesperson to feel bad about themselves instead of learn.
We strongly suggest that managers be the salesperson when role playing, especially when working with new reps, for two reasons. First, playing salesperson allows a manager to demonstrate the behavior they expect of their reps in front of a prospect. Second, a manager shows their team that they've still got the skills to sell in the field