Opening Day
- Año: 1938
- País: United States of America
- Género: Comedia
- Estudio: Metro-Goldwyn-Mayer
- Palabra clave: baseball, short film
- Director: Roy Rowland
- Emitir: Robert Benchley, King Baggot, Philo McCullough, Larry Steers, Harlan Briggs, John Butler