while at the football tryout camp, who are some of the people that Paul’s mother points out to him?

From the text:

There was Mike Costello, and there were his father and his brother standing on the other sideline. There was Arthur Bauer, the guy Erik had over to the house yesterday. There was Antoine Thomas, the quarterback. Mom quickly grew impatient to get me to the car. On the way to the parking lot, she said, "Those boys shouldn't be out there in a thunderstorm." "They have to play in all kinds of weather, Mom.