Tennis is one of those sports, and is unusual in that there are several pieces of equipment that exert such an influence. The key pieces of equipment in question are the racket, ball, surface, and ...

What are tennis balls made of? Modern tennis balls are made of a hollow rubber core, covered in a wool or nylon shell which is known as the nap. Pressurised air inside the rubber core makes the ball ...

Story by Jacob Shamsian, editing by Adam Banicki. More from Sports For tennis ball machines to shoot balls with perfect accuracy and at nearly 100 miles per hour, it takes a series of carefully ...

In nine seasons, Norris has led the program to accomplishments it had never achieved. Norris is the only coach in program history to take the Cardinals to MAC regular season and tournament titles ...