MLB The Show 25 Team Builder
MLB Lineup Builder & Optimizer
Welcome to the free theSHOWBASE lineup builder—an online roster builder, team creator and lineup generator for MLB The Show 25. Drag-and-drop Diamond Dynasty cards onto a realistic field, optimise chemistry and stub budget, then share your custom squad with friends in seconds. The tool runs entirely in your browser on desktop or mobile—no downloads, log-ins or add-ons required.
Diamond Dynasty Roster Maker
Switch between tabs to fill your bench, rotation, bullpen and captains. Real-time price tracking shows how many stubs your roster costs while the optimiser suggests upgrades to fit your budget. Evaluate Meta Scores, captain boosts and quirks synergy at a glance, then export your roster as an image or shareable link for Reddit and Discord.
How to Create Custom Teams
Click any position box to pick a player, or drag existing cards to new slots. Use powerful filters—overall rating, quirks, series, handedness, pitch arsenal and more—to find perfect fits. Lineups auto-save in your browser so you can tweak them later, generate a printable PDF lineup card, or copy a permalink to debate roster ideas with friends.
Frequently Asked Questions
How do I use the MLB The Show 25 team builder?
Simply click on any position on the baseball field to add a player. You can browse our complete player database and filter by position, team, or series. Use the tabs to manage your starting lineup, bench players, pitching rotation, bullpen, and captains. Drag and drop players between positions to optimize your roster.
Can I save and share my team lineups?
Yes! The team builder automatically saves your lineup as you build it. You can create multiple different lineups for various game modes and strategies. Share your team compositions with friends or use them as references when building your actual Diamond Dynasty squad in-game.
How do I find the best players for each position?
Use our position rankings to see the top-rated players for each spot. You can also use the player comparison tool to analyze stats between different options. Filter players by team or series to build themed lineups or find budget-friendly alternatives.
What is the price tracking feature?
The price tracking tab shows you the current market value of your entire team, helping you budget for your Diamond Dynasty squad. You can see individual player prices and total team cost, making it easier to plan your stub spending and identify cost-effective player alternatives.
How do captain cards work in the team builder?
Captain cards provide team-wide boosts and are essential for competitive play. In the Captain tab, you can select both a hitting captain and pitching captain to maximize your team's potential. Choose captains that complement your roster's strengths and playing style for optimal performance.
Is the team builder free to use?
Yes! The MLB The Show 25 team builder is completely free to use. Build unlimited lineups, experiment with different strategies, and access all features without any cost. It's part of our comprehensive suite of MLB The Show tools and games designed to enhance your Diamond Dynasty experience.