Houston Astros and KC Royals Rosters
Both Organization's 40-Man Rosters Include Former Mariner's Players

KANSAS CITY ROYALS 40-MAN ROSTER
Former Players in the Seattle Mariners System
Kendrys Morales (Seattle Mariners, 2013 & 2014)
Jason Vargas (Tacoma Rainiers, 2009-2012) (SeattleMariners, 2009-2012)
Chris Young (Seattle Mariners, 2014)
HOUSTON ASTROS 40-MAN ROSTER
Former Everett AquaSox
Luis Valbuena (AquaSox, 2005)
Former Players in the Seattle Mariners System
Josh Fields (Tacoma, 2011) (Jackson Generals, 2011)
Oliver Perez (Tacoma, 2012) (Mariners, 2012 & 2013)
Luis Valbuena (Tacoma, 2005-2008) (Mariners, 2008)
Other Northwest League Teams
Marwin Gonzalez (Boise Hawks, 2008)
Will Harris (Tri-City, 2006&2009)