The 1931 Philadelphia Athletics season involved the A's finishing first in the American League with a record of 107 wins and 45 losses.
Combined with the efforts of 21- and 20-game winners George Earnshaw and Rube Walberg, Philadelphia allowed the fewest runs of any AL team.
Slugger Al Simmons won the batting title with a .390 average and came in third in MVP voting.
Infielders Coaches Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg.
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts Mickey Cochrane George Earnshaw Jimmie Foxx Lefty Grove Al Simmons NL St. Louis Cardinals (4) vs. AL Philadelphia Athletics (3) LEAGUE CHAMPIONS: Harrisburg[4]