Harper’s magazine begins each issue with a list of number-oriented factoids called Harper’s Index.   Below are a series of number-oriented factoids about the 2010 Twins Season.   Here on the Twins-ernet, such a list has to be called “Brian Harper’s Index.”

Brian Harper’s Index:

Assorted Numbers on the 2010 Twins Season

Justin Morneau’s rank in games played at first base amongst members of the Twins : 2

Attempted Bunts by Joe Mauer : 1

Joe Mauer’s batting average after that bunt : .378

Number of pinch-hit home runs by Jim Thome : 1

Number of pinch-hit home runs by Drew Butera : 1

Date of every pinch hit home run(both of them)by a Twins player in 2010 : June 19

Twins Team Rank in American League in Triples : 1

Twins Team Rank in American League in Stolen Bases : 12

Percentage of Plate Appearances as a Left Handed Batter (Twins) : 54

Percentage of Plate Appearances as a Left Handed Batter (American League) : 45

Increase in OPS of Twins as LHB vs. as RHB : 71

Denard Span’s percent success rate of stolen bases per attempts : 87 (26/30)

Denard Span’s percent success rate of stolen bases per attempts plus pickoffs : 67  (26/39)

Twins Team Rank in American League for fewest walks (pitching) : 1

Twins Team Rank in American League for strikeouts  (pitching) : 10

Twins Team Rank in American League for best strikeout to walk ratio (pitching) : 1

Regular season game number (home opener = 1) of games at Target Field not officially sold out: 2, 3

Number of Double Plays hit into by Twins batters (led league) : 159

Number of games started by both J.J. Hardy and Orlando Hudson : 76

Twins record in those 76 games: 47-29 (.618)

Reduction in number of plate appearances given to Nick Punto and Brenden Harris over 2009 : 485

Combined WAR of Twins starting pitchers in ALDS : 12.6

Combined WAR of Yankees starting pitchers in ALDS : 11.2

Series sweeps against the Twins (not counting ALDS) : 2

Most stats above derived from Baseball-Reference.Com