Major League Baseball 2K9 is a simulation of baseball, focusing on the experience of managing a team through multiple seasons. The key aspect of this mode is the franchise part, where players can participate in hundreds of matches, make managerial decisions, and balance their roster. This includes studying statistics, negotiating with other teams to acquire players, and making trades based on player values.
Gameplay involves simulating or manually playing matches, each with its unique control scheme. Pitching requires precise aiming and movement inputs, while batting involves timing the swing and controlling the ball's direction. Fielding is done by directing the controlled player's throws. The game also features training modes, including Home Run Derby and Postseason mode (play-offs), which allow players to unlock special cards.
There are some differences between versions of the game, including control schemes for batting and pitching on the Wii and PSP, as well as additional features in the PS2 version such as managing up to four franchises and a farming system. Overall, Major League Baseball 2K9 offers a realistic baseball simulation experience with depth and complexity.