List of Eastern League champions

The Eastern League of Minor League Baseball is one of three Double-A baseball leagues in the United States. A league champion is determined at the end of each season. Champions have been determined by postseason playoffs, winning the regular season pennant, or being declared champion by the league office. Currently, the two teams with the highest winning percentages in each of two divisions are eligible for the postseason. These teams compete in a best-of-five series to determine division champions. The winners then play each other in a best-of-five series to determine a league champion.

Active Eastern League teams appear in bold.

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