Babe Ruth hit 3 homeruns in the fourth game of the 1926 World Series against the St. Louis Cardinals. Reggie Jackson hit 3 in game 6 of the 1977 World Series against the Los Angeles Dodgers.
In the 1990 World Series, Cincinnati Reds outfielder Billy Hatcher tied New York Yankees catcher Thurman Munson's record of seven consecutive hits over the first two Series games. Munson's pulled off the feat in the 1976 World Series.
The Yankees single season record is held by Rickey Henderson, who stole 93 bases in 1988.
Lefty Williams and George Frazier with 3 each. Williams, of the 1919 Chicago White Sox, was one of the players accused of throwing the 1919 World Series to the Cincinnati Reds. The 1919 World Series was a best 5 of 9 instead of a best 4 of 7 like is played today. Frazier, of the 1981 New York Yankees, is the only pitcher to lose 3 games in a best 4 of 7 World Series.
The most World Series home runs for a career is 18 by Mickey Mantle from 1951 to 1964. The most homers in a single Series is five, jointly held by Reggie Jackson of the New York Yankees (in 1977) and Chase Utley of the Philadelphia Phillies (in 2009).
Matt Kilroy holds the record for most strikeouts by a pitcher in a single season with 513 in 1886. Nolan Ryan holds the modern day record with 383 in 1973.
As of the start of the 2007 World Series, Mickey Mantle holds the MLB career record for RBIs in the World Series with 40. For a single World Series, Boboy Richardson of the New York Yankees holds the RBI record with 12 in the 1960 World Series.
In the 1990 World Series, Cincinnati Reds outfielder Billy Hatcher tied New York Yankees catcher Thurman Munson's record of seven consecutive hits over the first two Series games. Munson's pulled off the feat in the 1976 World Series.
Mariners outfielder Ichiro Suzuki set the record during the 2004 season.
The Yankees went 114-48 in 1998 which is a franchise record
The most home runs by an individual in a World Series during the 1970s was 5 by Reggie Jackson of the New York Yankees during the 1977 World Series. That same series Jackson also hit the most home runs in a single world series game during the 1970s with 3.
Bernie Williams
Alfonso Soriano
Lou Gehrig holds the American League single season record for RBIs with 184 in 1931.
The Yankees single season record is held by Rickey Henderson, who stole 93 bases in 1988.
Pete Fox
As of 2009, Bernie Williams holds the record for most home runs hit in a single postseason by a New York Yankee with 6, in 1996.
The Yankees got 30 hits in a game against the Red Sox on September 28, 1923.