Who won the 1991 World Series?

The Minnesota Twins won the 1991 World Series, beating the Atlanta Braves 4–3.

Who won the 1991 ALCS?

The Minnesota Twins beat the Toronto Blue Jays 4–1 in the 1991 ALCS. That won the American League pennant.

The Atlanta Braves beat the Pittsburgh Pirates 4–3 in the 1991 NLCS. That won the National League pennant.

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

Series by series

World Series. The Minnesota Twins beat the Atlanta Braves 4–3 in the 1991 World Series.

ALCS. The Minnesota Twins beat the Toronto Blue Jays 4–1 in the 1991 ALCS.

NLCS. The Atlanta Braves beat the Pittsburgh Pirates 4–3 in the 1991 NLCS.

Final

ALCSBest of 7

MIN wins 4–1

NLCSBest of 7

ATL wins 4–3

World SeriesBest of 7

MIN wins 4–3

Quick answers

Who won the 1991 World Series?: The Minnesota Twins won the 1991 World Series, beating the Atlanta Braves 4–3.
Who won the 1991 ALCS?: The Minnesota Twins beat the Toronto Blue Jays 4–1 in the 1991 ALCS. That won the American League pennant.
Who won the 1991 NLCS?: The Atlanta Braves beat the Pittsburgh Pirates 4–3 in the 1991 NLCS. That won the National League pennant.
How did the 1991 MLB playoffs work?: Each league's two division winners met in a best-of-seven League Championship Series, and the pennant winners met in the World Series.