1966 Pittsburgh Pirates season

The 1966 Pittsburgh Pirates season involved the team's third-place finish in the National League at 92–70, three games behind the NL Champion Los Angeles Dodgers.

Offseason

 * November 22, 1965: Bill Virdon was released by the Pirates.
 * November 29, 1965: 1965 rule 5 draft
 * Dave Roberts was selected by the Pirates from the Houston Astros.
 * Jesse Gonder was drafted by the Pirates from the Atlanta Braves.
 * December 1, 1965: Matty Alou was traded to the Pirates by the San Francisco Giants for Ozzie Virgil and Joe Gibbon.
 * December 10, 1965: Bob Friend was traded by the Pirates to the New York Yankees for Pete Mikkelsen.
 * January 29, 1966: Del Unser was drafted by the Pirates in the 4th round of the secondary phase of the 1966 Major League Baseball Draft, but did not sign.

Regular season
Pirates outfielder Roberto Clemente was the National League's Most Valuable Player for the 1966 season.

Game log

 * Legend:      = Win       = Loss Bold = Pirates team member
 * Legend:      = Win       = Loss Bold = Pirates team member

Notable transactions

 * April 7, 1966: Bob Purkey was sold to the Pirates by the St. Louis Cardinals.
 * June 7, 1966: 1966 Major League Baseball draft
 * Richie Hebner was drafted by the Pirates in the 1st round of the 1966 Major League Baseball Draft.
 * Dave Cash was drafted by the Pirates in the 5th round of the 1966 Major League Baseball Draft.
 * Gene Clines was drafted by the Pirates in the 6th round of the 1966 Major League Baseball Draft.
 * June 15, 1966: Don Schwall was traded by the Pirates to the Atlanta Braves for Billy O'Dell.

Statistics
''Note: G = Games played; AB = At bats; H = Hits; Avg. = Batting average; HR = Home runs; RBI = Runs batted in''
 * Batting

Note: G = Games pitched; IP = Innings pitched; W = Wins; L = Losses; ERA = Earned run average; SO = Strikeouts
 * Pitching