1957 Philadelphia Phillies season

Offseason

 * November 19, 1956: Del Ennis was traded by the Phillies to the St. Louis Cardinals for Rip Repulski and Bobby Morgan.

Regular season
The Phillies integrated during the 1957 season. John Kennedy, the team's first black player, made his debut with the Phillies on April 22, 1957, at Roosevelt Stadium against the Brooklyn Dodgers.

Notable transactions

 * April 5, 1957: Tim Harkness, Ron Negray, Elmer Valo, Mel Geho (minors), and $75,000 were traded by the Phillies to the Brooklyn Dodgers for Chico Fernández. The Phillies completed the deal by sending Ben Flowers to the Dodgers on April 8.
 * June 17, 1957: Frank Baumholtz was released by the Phillies.
 * June 26, 1957: Warren Hacker was selected off waivers by the Phillies from the Cincinnati Redlegs.

Game log

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 * undefinedThe second game on April 28 was suspended (Sunday curfew ) in the bottom of the seventh inning with the score 7–8 and was completed August 16, 1957.
 * undefinedThe May 21 game was called after 5$1⁄2$ innings (reduced to 5 innings ) with the score tied 1–1. It was replayed from the start on June 24, 1957.
 * undefinedThe second game on June 9 was suspended (Sunday curfew ) in the top of the tenth inning with the score 4–4. Because at least nine innings had been completed, the game was replayed from the beginning on August 20, 1957.
 * undefinedThe July 17 game was protested by the Phillies between the first and second innings.   The protest was later denied.

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''

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

Farm system
LEAGUE CHAMPIONS: Tampa Moultrie franchise transferred to Brunswick, June 1, 1957