Which pronoun in the passage does not agree in number with its antecedent?
Sportscasters

Have you ever watched a sporting event on television? If so, you were able to follow along during the game because of a sportscaster. When a sportscaster is announcing during a game, he gives a play-by-play description of what is happening. Sportscasters also give additional information about the players that he thinks fans might want to know. Fans can watch the game and they know the sportscaster will inform them about all the behind-the-scenes information. Sportscasters help people at home enjoy the game like they are watching it in person.