I took a tennis ball out to the back of the house.
Big ones can be almost the size of a tennis ball.
"I feel better because I've given him something more than just a tennis ball."
They say it's about the size of a tennis ball.
I just mean it was the size of a tennis ball.
"He could take a white tennis ball, and, at the end of an hour, make you think it was black."
Remember when you got a tennis ball in the eye, Sam?
Then I picked up the tennis ball he'd left behind.
A fruit like a green tennis ball is cut open.
"People are going to be seeing that red color more than the tennis ball," she said.