Who won the 1970 World Series?

The Baltimore Orioles won the 1970 World Series, beating the Cincinnati Reds 4–1.

Who won the 1970 ALCS?

The Baltimore Orioles beat the Minnesota Twins 3–0 in the 1970 ALCS. That won the American League pennant.

The Cincinnati Reds beat the Pittsburgh Pirates 3–0 in the 1970 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 Baltimore Orioles beat the Cincinnati Reds 4–1 in the 1970 World Series.

ALCS. The Baltimore Orioles beat the Minnesota Twins 3–0 in the 1970 ALCS.

NLCS. The Cincinnati Reds beat the Pittsburgh Pirates 3–0 in the 1970 NLCS.

Final

ALCSBest of 5

BAL wins 3–0

NLCSBest of 5

CIN wins 3–0

World SeriesBest of 7

BAL wins 4–1

Quick answers

Who won the 1970 World Series?: The Baltimore Orioles won the 1970 World Series, beating the Cincinnati Reds 4–1.
Who won the 1970 ALCS?: The Baltimore Orioles beat the Minnesota Twins 3–0 in the 1970 ALCS. That won the American League pennant.
Who won the 1970 NLCS?: The Cincinnati Reds beat the Pittsburgh Pirates 3–0 in the 1970 NLCS. That won the National League pennant.
How did the 1970 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.