The video shows a baseball player in a white uniform with the word "Mariners" on the front, running on a baseball field. The player is wearing a black helmet and black gloves. The player is running towards first base, and the video captures the player from different angles, including a close-up of the player's back, where the number 63 is visible. The player's uniform is clean and well-fitted, and the player appears to be in good physical shape. The baseball field has a well-maintained dirt infield and a green outfield. The video does not show any other players or the ball in play.