2015 Arizona Diamondbacks season

The Arizona Diamondbacks' 2015 season was the franchise's 18th season in Major League Baseball and their 18th season at Chase Field.

Offseason

 * November 4: Signed Walter Ibarra to a minor league contract.
 * November 6: Signed Matt Pagnozzi to a minor league contract.
 * Week of November 13: Signed 3 players to a minor league contract and received Jeremy Hellickson from the Tampa Bay Rays for Andrew Velazquez and Justin Williams.
 * Week of November 20: Signed 8 players to a minor league contract, promoted 5 from the minors, sent 2 to the minors, and sent Charles Brewer and Mike Bolsinger to the Cleveland Indians and the Los Angeles Dodgers, respectively, for cash.
 * December 1: Signed J. C. Ramirez to a minor league contract.
 * December 5: Sent Didi Gregorius to the New York Yankees and received Domingo Leyba and Robbie Ray from the Detroit Tigers in a three-team deal.
 * December 8: Signed Yasmany Tomas and sent Zeke Spruill to the minors.
 * December 9: Received Jeferson Mejia and Zack Godley from the Chicago Cubs for Miguel Montero.
 * December 11: Drafted Oscar Hernández.
 * Week of December 12: Signed 4 players to a minor league contract and conducted the following trades:
 * Sent Eury De La Rosa to the Oakland Athletics for cash.
 * Received Myles Smith, Rubby De La Rosa, Allen Webster, and Raymel Flores to the Boston Red Sox for Zeke Spruill and Wade Miley.


 * December 23: Signed Scott Kalamar to a minor league contract.
 * December 28: Signed Jordan Pacheco to a minor league contract.
 * Month of January 2015: Signed 8 players to a minor league contract.
 * February 2: Signed Gerald Laird to a minor league contract.
 * February 10: Signed 3 players to a minor league contract.

Game log

 * Legend:      = Win       = Loss       = Postponement Bold = Diamondbacks team member
 * Legend:      = Win       = Loss       = Postponement Bold = Diamondbacks team member

Statistics
Through October 4, 2015

Batting
Note: G = Games played; AB = At bats; R = Runs scored; H = Hits; 2B = Doubles; 3B = Triples; HR = Home runs; RBI = Runs batted in; BB = Base on balls; SO = Strikeouts; AVG = Batting average; SB = Stolen bases

Pitching
Note: W = Wins; L = Losses; ERA = Earned run average; G = Games pitched; GS = Games started; SV = Saves; IP = Innings pitched; H = Hits allowed; R = Runs allowed; ER = Earned runs allowed; HR = Home runs allowed; BB = Walks allowed; K = Strikeouts

Farm system
League Champions: Hillsboro, Missoula