Version 12 and the 2020 Season are Here!


Diamond Mind Baseball: Version 12

We are very excited to announce that Diamond Mind Baseball: Version 12 is now available!

Along with many other improvements, this new version includes full support for all of the latest MLB rule changes so that you can continue to enjoy the most accurate strategy-oriented baseball game with seasons from the past, present and into the future.

Visit our Version 12 Enhancements page to see all the changes.

Here's what you need to know:

Upgrade discount. Customers who have bought a previous version of the game are eligible to receive a discount of $5 off the regular price of $29.95 when buying the version 12 game. Enter the shopping code UPGRADE on the checkout page to apply the discount.

Backward compatibility. As with all of our past upgrades, version 12 will automatically convert databases from prior formats (as far back as version 8) to the latest, thereby preserving your investment in Diamond Mind seasons.

Version 11 is not going away. We will continue to support version 11, and we'll produce new season databases in version 11 format until demand for that format drops to a very low level.

2020 Annual Season Database

The 2020 Annual Season Database is packed with information, including everything you need to play games using teams and players from the 2020 season -- a full set of ratings and statistics for every player who appeared in the big leagues this year; full team rosters; manager profiles; updated ballpark ratings; a full set of real-life transactions and game-by-game lineups for season replays; and three schedules, the original 162-game (as-scheduled) schedule and two 60-game (as-scheduled and as-played) schedules reflecting the pandemic shortened season. Statistics include official batting, pitching and fielding totals with left/right splits for all batters and pitchers.

This year we are making available a second special edition of the 2020 season database to accommodate draft league play. This database contains all the same information as the regular edition but will have the player stats pro-rated for a 162-game season.

You can choose your preferred edition when you place your order. If you would like a copy of both editions of the 2020 season database, you can contact us at to request a free copy of the alternative edition by email.

Quick Links:

Diamond Mind Baseball: Version 12

Diamond Mind Baseball Encyclopedia for version 12

2020 Annual Season Database

We've also added a new article to the DMB Support Library:

2020: A most interesting season

Article updated May 8th, 2021.

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