The network announced Monday that 130 games from both tournaments will be available live on ESPN3.com.
The FIBA Americas tournament begins Tuesday in Argentina. Besides showing the championship game live on Sept. 11, ESPN2 also will carry both semifinals and the third-place game.
The European gold-medal game is Sept. 18 in Lithuania, which will be shown on delay later that night.
The top two teams in each tournament earn spots in the field in London. Despite the NBA lockout, many countries were able to secure insurance so their top players could be in uniform.