HOW ACQUIRED: Signed on January 3, 2013.
A 10-year MLS veteran, Wahl has long been a steadying presence along the backline. The 32-year-old has the ability to play at either left back or center back, though Gregg Berhalter has preferred to slot him in the center of the backline.
INTERNATIONAL: Wahl was involved with the U.S. U-20 and U-17 residency programs, playing in the FIFA U-17 World Championship in 2001.
COLLEGE: An All-American defender at the University of California, Wahl started every game from 2002 to 2005.
NOTES: 3-time US Open Cup winner with Seattle Sounders (2009-11)