HOW ACQUIRED: Signed on January 14, 2019.
O'Neill is an athletic center back who joins the Sounders after two years in Orlando that saw him make 21 starts. He should provide depth for Seattle in 2020.
INTERNATIONAL: O’Neill made 15 appearances with U.S. youth national teams from 2013 to 2015. O’Neill was most recently called into the U.S. senior national team camp in January 2015.
OUTSIDE MLS: O’Neill joined the Lions from Dutch club Excelsior Rotterdam, where he made 11 appearances between the senior and U21 sides in 2017-18. O’Neill scored one goal and made 31 appearances in 2016-17 for Dutch club NAC Breda, which he led to promotion to the Eredivisie.
NOTES: Signed as a Rapids Homegrown on June 19, 2012.