The Merrimack Valley Table Game Association (MVTGA) is a 16 team, face-to-face computer baseball league that has just concluded it's 21st season. It is a draft league that uses a salary cap based on real life MLB salaries. The '07 regular season was 64 games in length. It started in March and ended in early September. Each team has a 25 man major league roster and a 10 man minor league roster. There is a salary cap based on real life MLB salaries. Perpetual rights are maintained on drafted players with a free agent draft each pre-season. Trades, waivers, promotions, demotions etc. are included. Most members reside within a 30 mile radius of Lowell, MA. The league makes extensive use of Diamond Mind's NetPlay feature.

The game of choice is Diamond Mind Baseball version 9.0c.