The Era of Rice Balls and Bananas
For decades, the standard dugout fare in NPB consisted of rice balls and bananas. With five to six hours often passing between the pre-game meal and the final out, mid-game energy replenishment was essential. Rice balls offered quick digestion and one-handed convenience; bananas provided fast-acting carbohydrates. Through the 1990s, platters of rice balls and bunches of bananas were casually laid out for players to grab at will. Some players reportedly ate cup noodles during games. In an era before systematic nutritional management, dugout food was entirely a matter of personal preference.
When Nutrition Became Strategy
The 2000s brought sports nutrition science to NPB, partly through players and coaches returning from MLB who reported the rigorous dietary management in American professional sports. NPB teams began hiring nutritionists and sports dietitians. Dugout snacks shifted from white rice balls to brown rice, and energy gels and scientifically formulated sports drinks supplemented the traditional banana. The philosophy changed from 'eat what you like' to 'eat what optimizes performance.'
Different Strategies for Pitchers and Position Players
Pitchers and position players have fundamentally different in-game nutritional needs. Starting pitchers burn over 1,000 calories during a game and rely on sports drinks and energy gels between innings, with protein and rice balls for recovery after being pulled. Position players have more opportunities to snack between defensive innings. Relief pitchers waiting in the bullpen also consume snacks during their extended standby periods, with some teams providing dedicated cooler boxes in the bullpen area.
| Role | When they eat | Typical snacks | Purpose |
|---|---|---|---|
| Starting pitcher | Short breaks between innings, then after being pulled | Sports drinks and energy gels; protein and rice balls once out of the game | Keep fluids and sugar up against a burn of more than 1,000 calories in a single game, then recover quickly |
| Relief pitcher | While on standby in the bullpen | Snacks kept in the bullpen cooler box | Avoid running out of energy across a long wait for the call |
| Starting position player | Between defensive innings and at-bats | Light snacks behind the dugout | Hold energy through a game spent both fielding and hitting |
| Bench position player | Through the wait and just before entering | Bananas and other fast-acting energy | Avoid stepping to the plate on an empty tank after a long wait |
Starters essentially do not eat behind the dugout while they are still on the mound; their intake is limited to the short breaks between innings. Some clubs keep a dedicated cooler box in the bullpen.
Gum and Seeds - Imported Oral Fixations
Gum chewing is ubiquitous on NPB benches, a habit imported from MLB culture. In MLB, sunflower seeds are the iconic dugout snack, with shells littering the dugout floor. NPB adopted gum rather than seeds as the primary oral fixation. Research suggests that chewing gum may reduce stress hormones and aid concentration. The chewing tobacco tradition that once pervaded MLB never took hold in NPB, but gum remains a shared dugout culture across both leagues.
The Modern Dugout - Personalized Nutrition
In the 2020s, dugout nutrition has become individually optimized. Team nutritionists design personalized in-game snack plans based on each player's body composition, caloric expenditure, allergies, and digestion speed. Wealthy franchises like SoftBank and Yomiuri employ dedicated chefs in their clubhouses. ES CON Field Hokkaido features an extensive player dining area for immediate post-game nutrition. The snack selection now includes protein bars, BCAA drinks, and maltodextrin energy gels alongside traditional rice balls and bananas.
Player Food Anecdotes
Dugout food culture is rich with player anecdotes. Chunichi's Yamamoto Masa reportedly maintained a pre-game curry rice routine throughout his career. SoftBank's Uchikawa Seiichi was said to eat udon during games. These stories reflect a freer era before systematic nutrition management. Even today, superstitious food rituals persist: eating tonkatsu before games as a pun on 'katsu' (to win), or consuming eel for stamina. The dugout remains a curious space where nutritional science and superstition coexist peacefully.
Frequently Asked Questions
Q. What do professional baseball players eat during a game?
The staples are light snacks such as rice balls, bananas, and energy gels. Since five to six hours can pass between the pre-game meal and the final out, players refuel around the middle innings. In the 2020s, some clubs have their team nutritionist design an individual snack menu for each player.
Q. Why do players chew gum during a game?
It is a custom imported from MLB, and the aims are said to be relieving the urge to have something in the mouth and easing tension. Sunflower seeds are the dugout standard in MLB, but gum became the mainstream choice in NPB.