American Baseball Alliance

The American Baseball Alliance (AmBA) is a professional baseball organization. Created as a competitor to Major League Baseball in 2017 and with playing begun in late 2018, the league was originally set up with teams comprised of up-and-coming American players along with top players from, , the , and.

Stadiums
Most of the AmBA's stadiums are baseball-specific facilities, the only exception being the New Orleans Swamp Monsters', which was built for American football but has hosted baseball games in the past. Three current AmBA venues (, and ) are also current MLB venues, whilst the Las Vegas Romans' current home stadium is a temporary stadium erected for each game in the parking lot of. The remaining fields are in regular use as fields and/or college baseball venues.