| Artist | : | 3UP 3DOWN - 6/4 - Basic Rotations in the 4-Umpire System (60 Foot) |
| Title | : | Stu Hartenstein |
| Duration | : | 2430 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | 3UP 3DOWN - 6/4 - Basic Rotations in the 4-Umpire System (60 Foot) |
| Title | : | Stu Hartenstein |
| Duration | : | 2430 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |