Where did these guys come from: Oklahoma City

So the minor-league rosters have been set, and it's time to get cracking on our Where Did These Guys Come From series. We'll begin with Oklahoma City...

Pitchers

Kevin Chapman - Acquired in Humberto Quintero/Jason Bourgeois trade with Kansas City on March 20, 2012
Jose Cisnero - Signed as amateur free agent prior to 2008 season
Paul Clemens - Acquired in Michael Bourn trade with Atlanta on July 31, 2011
Jarred Cosart - Acquired in Hunter Pence trade with Philadelphia on July 29, 2011
John Ely - Acquired in Rob Rasmusseun trade with Los Angeles on December 19, 2012
C.J. Fick - Claimed off waivers from St. Louis on July 27, 2012
Dallas Keuchel - Selected in the 7th Round of the 2009 amateur draft
Jordan Lyles - Selected in the 1st Round of the 2008 amateur draft
Wes Musick - Acquired in Matt Lindstrom trade with Colorado on December 23, 2010
Brett Oberholtzer - Acquired in Michael Bourn trade with Atlanta on July 31, 2011
Rudy Owens - Acquired in Wandy Rodriguez trade with Pittsburgh on July 24, 2012
Jose Valdez - Signed as a free agent on November 20, 2009
Josh Zeid - Acquired in Hunter Pence trade with Philadelphia on July 29, 2011

Catchers

Cody Clark - Signed as free agent on March 17, 2013
Jason Jaramillo - Signed as free agent on January 12, 2013
Chris Wallace - Selected in the 16th Round of the 2010 amateur draft

Infielders

Jake Elmore - Claimed off waivers from Arizona on November 1, 2012
Marc Krauss - Acquired in the Chris Johnson trade from Arizona on July 29, 2012
Brandon Laird - Claimed off waivers from New York Yankees on September 1, 2012
Jose Martinez - Signed as free agent prior to 2012 season
Jonathan Villar - Acquired in Roy Oswalt trade with Philadelphia on July 29, 2010

Outfielders

Trevor Crowe - Signed as a non-roster invitee on November 27, 2012
Jake Goebbert - Selected in the 13th Round of the 2009 amateur draft
Robbie Grossman - Acquired in the Wandy Rodriguez trade with Pittsburgh on July 24, 2012
Che-Hsuan Lin - Claimed off waivers from Boston on October 26, 2012
Jimmy Paredes - Acquired in the Lance Berkman trade with New York on July 31, 2010