How can constantly catching a tennis ball constantly help you catch better in football?

chuk: How can constantly catching a tennis ball constantly help you catch better in football?
During the off-season, I always used to see one of my teammates (who was a wide receiver and is now one of the top in my state) bouncing and catching a tennis ball, and then during the season he rarely dropped any pass thrown to him.

Answers and Views:

Answer by Hawk M
eye to hand coordination

Answer by svc52
Quick reaction. Hands and eye coordination.. If you can catch something small like tennis ball than you can catch football.

Watch Sports Science on YouTube and find an episode with tennis ball. You can find Chad Ocho Cinco in the video

Answer by Liberalism is a mental disorder
it improves coordination.