Ranking the Top 25 Regular-Season Teams in MLB History

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Ranking the Top 25 Regular-Season Teams in MLB History
Joe Robbins/Getty Images
Joe Morgan led the Cincinnati Reds to dominance in both 1975 and 1976.

Major League Baseball has always had a disproportionately brief postseason, and it's unfortunate that a handful of games can overshadow how teams perform during the eternal summer.

With these rankings, we'll select the best regular-season teams in league history, placing emphases on consistency and well-roundedness.

Their playoff success—or lack thereof—is noted on the bottom of each slide, but those details had no effect on the list. Rather, we rewarded clubs that won often, comfortably (high run differentials) and through various means.

Know from the get-go that only rosters from 1901* to the present were considered. The expectation for winning percentage was lower for more recent teams because MLB expansion has increased competitive balance. Understanding that dominant teams often rest their stars once a playoff berth has been secured, September/October performance wasn't weighed as heavily as the other months.

As always, you're encouraged to comment about teams who may have been overlooked or underrated.


*Prior to 1901, the American League was a minor league.

**Stats gathered from Baseball-Reference.com unless otherwise noted.

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