Who won the 1972 World Series?

The Oakland Athletics won the 1972 World Series, beating the Cincinnati Reds 4–3.

Who won the 1972 ALCS?

The Oakland Athletics beat the Detroit Tigers 3–2 in the 1972 ALCS. That won the American League pennant.

The Cincinnati Reds beat the Pittsburgh Pirates 3–2 in the 1972 NLCS. That won the National League pennant.

Each league's two division winners met in a best-of-five League Championship Series, and the pennant winners met in the World Series.

Series by series

World Series. The Oakland Athletics beat the Cincinnati Reds 4–3 in the 1972 World Series.

ALCS. The Oakland Athletics beat the Detroit Tigers 3–2 in the 1972 ALCS.

NLCS. The Cincinnati Reds beat the Pittsburgh Pirates 3–2 in the 1972 NLCS.

Final

ALCSBest of 5

ATH wins 3–2

NLCSBest of 5

CIN wins 3–2

World SeriesBest of 7

ATH wins 4–3

Quick answers

Who won the 1972 World Series?: The Oakland Athletics won the 1972 World Series, beating the Cincinnati Reds 4–3.
Who won the 1972 ALCS?: The Oakland Athletics beat the Detroit Tigers 3–2 in the 1972 ALCS. That won the American League pennant.
Who won the 1972 NLCS?: The Cincinnati Reds beat the Pittsburgh Pirates 3–2 in the 1972 NLCS. That won the National League pennant.
How did the 1972 MLB playoffs work?: Each league's two division winners met in a best-of-five League Championship Series, and the pennant winners met in the World Series.