Grand Junction Rockies

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Grand Junction Rockies
Founded in 1978
Grand Junction, Colorado
GJ Rockies.png Grand Junction Rockies cap.png
Team logo Cap insignia
Current Rookie (1978-1985, 1987–present)
Minor league affiliations
League Pioneer League (1978-1985, 1987–present)
Division South Division
Major league affiliations
Current Colorado Rockies (2001–present)
Minor league titles
League titles (1) 1981
Division titles (3)
  • 1981
  • 1988
  • 1989
Team data
Nickname Grand Junction Rockies (2012–present)
Previous names
  • Casper Ghosts (2008-2011)
  • Casper Rockies (2001-2007)
  • Butte Copper Kings (1978-1985, 1987-2000)
Ballpark Suplizio Field (2012–present)
Previous parks
Manager Frank Gonzales
General Manager Joe Kubly (President)

The Grand Junction Rockies are a minor league baseball team in the Pioneer League based in Grand Junction, Colorado, United States, where they play at Suplizio Field. They are the Rookie affiliate of the Colorado Rockies. The Grand Junction Rockies mascot is Corky Coyote.

Franchise history[edit]

The Butte Copper Kings, named for the once-powerful owners of the copper mines of Butte, Montana, began play in the Pioneer League in 1978 as a co-op team with players from the Philadelphia Phillies, Oakland Athletics, Seattle Mariners and Texas Rangers organizations as well as a few free agents.[1]

Beginning in 1987, the franchise had been operated by Silverbow Baseball. It was sold in 1996 to the Goldklang Group in a move necessary to stem conflict-of-interest issues when Silverbow head Jim McCurdy had taken the position of President of the Pioneer League in 1994.[2] Silverbow had attempted to sell the franchise in 1994 to investors from California, but the deal fell through when it was discovered that the would-be owners had lied about their personal financial backgrounds.[3]

Following the 2000 season, the team relocated to Casper, Wyoming as the Casper Rockies (and was renamed the Ghosts before the 2008 season[4]) and affiliated with Colorado.[5]

On January 13, 2011, Casper Professional Baseball Club, LLC announced the sale of the team to Monfort Investment Group, a group headed by Colorado Rockies General Partners. [6]

October 17, 2011, Grand Junction city officials unanimously approved a lease agreement to the team, making Suplizio Field home to the newly renamed Grand Junction Rockies.[7]


Grand Junction Rockies roster
Players Coaches/Other


  • 19 Luis Guzman
  • 18 Reid Humphreys
  • 29 Jan Carlos Lopez
  • 33 Matt Meier
  • -- Juan Pena
  • 25 Yohander Quintana
  • 28 Josh Shelley
  • 27 Justin Valdespina
  • 33 Jefry Valdez
  • 35 John Valek
  • 28 Ethan Westphal


  • 20 Brian Serven
  • -- Elvin Soto


  • 15 Hunter Melton
  •  2 Jonathan Piron
  • 13 Jose G. Rodriguez
  • -- Wilson Soriano


  • 22 Pedro Gonzalez


  • 23 Frank Gonzales


Injury icon 2.svg 7-day disabled list
* On Colorado Rockies 40-man roster
# Rehab assignment
∞ Reserve list
‡ Restricted list
§ Suspended list
† Temporary inactive list
Roster updated April 25, 2017
More MiLB rosters
Colorado Rockies minor league players

Notable players[edit]

Butte Copper Kings,[8] Casper Rockies and Casper Ghosts[9] players who have made appearances on Major League teams:


  1. ^ "Pioneer Adds Butte". The Sporting News. February 25, 1978. p. 63. 
  2. ^ "Copper Kings Have New Owners, Affiliation". Bozeman Daily Chronicle. June 18, 1996. Retrieved June 9, 2011. 
  3. ^ "Jury Rules in Favor of Former Cooper Kings Team Owner". Bozeman Daily Chronicle. October 12, 1996. Retrieved June 9, 2011. 
  4. ^ "Casper Ghosts Launch Glow-in-the-Dark Identity". Casper Ghosts. October 31, 2007. Retrieved June 9, 2011. 
  5. ^ "Affiliations: Pioneer League". The Official Site of the Pioneer League. Pioneer Baseball League. Retrieved May 9, 2011. 
  6. ^ "Monfort Investment Group Purchases Casper Ghosts". Official Site of the Casper Ghosts. Casper Ghosts. January 13, 2011. Retrieved June 9, 2011. 
  7. ^ "Grand Junction officials OK Casper Ghosts' move to Colorado". Casper Star Tribune. October 17, 2011. 
  8. ^ "Butte Alumni". The Baseball Cube. Retrieved June 9, 2011. [permanent dead link]
  9. ^ "Casper Alumni". The Baseball Cube. Retrieved June 9, 2011. [permanent dead link]

External links[edit]