It has been nearly 22 years since an American-born male tennis player has won a Grand Slam, but Andre Agassi thinks the drought could be ending soon.

Training for tennis takes skill, determination, and lots of ball throwing. Players used to rely on ball launchers to train their stamina and reaction time. But what if the ball launcher could adapt ...

The 18-year-old Spaniard has taken his talents to the University of Virginia, at the ATP Challenger Tour.