![Ballpersons to roll, not throw, balls at 2018 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event Ballpersons to roll, not throw, balls at 2018 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event](https://photo-assets.usopen.org/images/pics/large/f_USTA815644_20170905USO_AO2_5553.jpg)
Ballpersons to roll, not throw, balls at 2018 US Open - Official Site of the 2023 US Open Tennis Championships - A USTA Event
![Closeup Of Man Hand, Arm, Preparing To Toss The Tennis Ball, Performing The Serve. Preparation For Serve. Tennis Player, Competition. Isolated On Black. Stock Photo, Picture And Royalty Free Image. Image 40326109. Closeup Of Man Hand, Arm, Preparing To Toss The Tennis Ball, Performing The Serve. Preparation For Serve. Tennis Player, Competition. Isolated On Black. Stock Photo, Picture And Royalty Free Image. Image 40326109.](https://us.123rf.com/450wm/samards/samards1505/samards150500016/40326109-closeup-of-man-hand-arm-preparing-to-toss-the-tennis-ball-performing-the-serve-preparation-for.jpg)
Closeup Of Man Hand, Arm, Preparing To Toss The Tennis Ball, Performing The Serve. Preparation For Serve. Tennis Player, Competition. Isolated On Black. Stock Photo, Picture And Royalty Free Image. Image 40326109.
![File:Photograph of President William Jefferson Clinton Throwing a Tennis Ball to Buddy the Dog- 07-11-1998 (6461539719) (cropped).jpg - Wikimedia Commons File:Photograph of President William Jefferson Clinton Throwing a Tennis Ball to Buddy the Dog- 07-11-1998 (6461539719) (cropped).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/4/43/Photograph_of_President_William_Jefferson_Clinton_Throwing_a_Tennis_Ball_to_Buddy_the_Dog-_07-11-1998_%286461539719%29_%28cropped%29.jpg)