The 1917 St. Louis Cardinals season was the team's 36th season in St. Louis, Missouri and the 26th season in the National League. The Cardinals went 82–70 during the season and finished 3rd in the National League.
Regular season
Rogers Hornsby began to establish himself as an elite hitter. Hornsby had a .327 batting average which was second in the league. He led the league in triples (17), total bases (253), and slugging percentage (.484).
Season standings
Record vs. opponents
Roster
Player stats
Batting
Starters by position
Note: Pos = Position; G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in
Other batters
Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in
Pitching
Starting pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
Other pitchers
Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
Relief pitchers
Note: G = Games pitched; W = Wins; L = Losses; SV = Saves; ERA = Earned run average; SO = Strikeouts