2013 Colorado Rockies season

The 2013 Colorado Rockies season was the franchise's 21st in Major League Baseball. The season marked the Rockies' 18th season of playing their home games at Coors Field. It was Todd Helton's 17th and final season with the Rockies and Walt Weiss' first season as manager.

Offseason

 * November 20, 2012: Matt Reynolds was traded by the Colorado Rockies to the Arizona Diamondbacks for Ryan Wheeler.
 * December 4, 2012: Alex White was traded by the Colorado Rockies with Alex Gillingham (minors) to the Houston Astros for Wilton López and a player to be named later. The Houston Astros sent Jose Monzon (minors) (May 1, 2013) to the Colorado Rockies to complete the trade.
 * January 24, 2013: Yorvit Torrealba was signed as a free agent by the Colorado Rockies.
 * March 24, 2013: Jon Garland was signed a free agent by the Colorado Rockies.

Transactions

 * May 1, 2013: Chris Nelson was traded by the Colorado Rockies to the New York Yankees for a player to be named later. The New York Yankees sent Yoely Bello (minors) (September 11, 2013) to the Colorado Rockies to complete the trade.
 * May 2, 2013: Roy Oswalt was signed as a free agent by the Colorado Rockies.
 * June 10, 2013: Jon Garland was released by the Colorado Rockies.
 * June 18, 2013: Eric Young, Jr. was traded by the Colorado Rockies to the New York Mets for Collin McHugh.
 * July 9, 2013: Mitchell Boggs was purchased by the Colorado Rockies from the St. Louis Cardinals.

Major League Debuts

 * Batters
 * Nolan Arenado (Apr 28)
 * Corey Dickerson (Jun 22)
 * Pitchers
 * Chad Bettis (Aug 1)

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