This was the final season the majority of MLB teams wore wool flannel uniforms.
The Pirates and Cardinals wore double knit uniforms of nylon and rayon throughout 1971, and the Orioles gradually phased out flannels, going all-double knit in time for the ALCS.
*Denotes walk-off Three of the four division races were anticlimactic; the only race was in the NL West between old rivals Los Angeles Dodgers and San Francisco Giants.
In mid September, the Dodgers won 8 in a row, including 5 over the Giants to narrow the gap to one game.
NBC was the exclusive national TV broadcaster of MLB, airing the weekend Game of the Week, the All-Star Game, both League Championship Series, and the World Series.