Option declined following 2019 season.
O'Neill is an athletic center back who returns to MLS after three years abroad. He immediately made 13 starts in the second half of 2018 and should be a regular in the starting XI in 2019.
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.