Yes, "Moneyball" is based on a true story. It chronicles the 2002 season of the Oakland Athletics baseball team and their innovative approach to assembling a competitive team on a limited budget. The film focuses on the strategies employed by the team's general manager, Billy Beane, and his use of sabermetrics—data analysis of player performance—to identify undervalued players. The story is adapted from Michael Lewis's non-fiction book "Moneyball: The Art of Winning an Unfair Game."

After the events depicted in "Moneyball," Billy Beane continued to work in baseball, remaining with the Oakland Athletics as their executive vice president of baseball operations. He focused on using analytics to build competitive teams on limited budgets. In 2016, Beane was promoted to a minority owner of the Athletics while maintaining his front office role. His innovative approach to player evaluation and team management has significantly influenced modern baseball operations and analytics.

In "Moneyball," Billy Beane, portrayed by Brad Pitt, is often seen eating to reflect his anxious and high-pressure lifestyle as the general manager of the Oakland Athletics. The constant eating symbolizes his stress and the relentless nature of his job in a competitive environment. It also serves as a character trait that humanizes him, showing how he copes with the challenges of implementing a revolutionary approach to baseball while dealing with financial constraints and the skepticism of traditionalists in the sport.

One of the most famous lines from "Moneyball" is: "It's not always the most talented players who win." This line encapsulates the film's central theme of using analytics and unconventional strategies in baseball to build a competitive team, challenging traditional scouting methods. The movie, which stars Brad Pitt as Oakland Athletics general manager Billy Beane, emphasizes the importance of data-driven decision-making in sports.