Versatile, veteran defender joined the Dynamo in a draft day trade from the LA Galaxy on January 13, 2017. Part of three MLS Cup championship sides with the Galaxy, and a two-time national champion in college at Maryland. Named 2014 MLS WORKS Humanitarian of the Year.
2018 MLS: Will miss the first part of the season as he recovers from a torn left ACL suffered on Decision Day 2017
2017 MLS: Will miss the Audi 2017 MLS Cup Playoffs due to a torn ACL in the left knee ... Started and played all 90 minutes in 29 games this season ... Set a career high of 3 assists in a season when he dished an assist to MF Tomas Martinez in a 3-3 draw on September 27 ... Missed a 3-3 draw at FC Dallas on August 23 due to accumulation of yellow cards ... Dished his second assist of the season in 3-1 loss at Colorado Rapids on July 1, matching his single career best ... Nominated to the 2017 MLS All-Star Game ... Earned a spot on GOAL.com's Team of the Week for Week 10 ... • Dished his first assist of the season in a 4-0 win vs. Orlando City SC on 5/6 ... Returned to the Starting XI in 2-0 loss at Toronto FC on Apr. 28 after missing two games due to a strained right calf (Apr. 8 at NE & Apr. 15 vs. MIN) ... Made Dynamo debut starting and playing 90 minutes in a 2-1 vs. Seattle Sounders FC on March 4...
2016 MLS: Started 23 of 24 games for the Galaxy and surpassed 2,000 minutes played for the fifth time in six seasons … Topped 20 appearances in league play for the sixth consecutive season
2015 MLS: Played in 24 games (22 starts), logging 1,693 minutes, and tallied one assist … Started and played 83 minutes in LA's postseason loss at Seattle Sounders FC on 10/28
2014 MLS: Named MLS WORKS Humanitarian of the Year for his work with the #LucaKnowsHeart campaign, which he started after he and his wife lost their newborn son to complications from hypoplastic left heart syndrome, a congenital heart defect … Earned Galaxy Defender of the Year honors for the third time in four years as he helped lead them to their third title in four years … Topped 2,000 minutes played for the fourth consecutive season and played in 29 games (28 starts) … Finished with a career-high two assists … Started four of five playoff games in LA's run to a third MLS Cup title in four years … Played all 120 minutes in MLS Cup final win over New England Revolution on 12/7
2013 MLS: Played in and started 28 games, totaling 2,399 minutes on the pitch … Saw action as a substitute in both legs of LA's Western Conference semifinal series vs. Real Salt Lake
2012 MLS: Helped the LA Galaxy capture their second consecutive MLS Cup championship … Named the Galaxy's Defender of the Year for the second year in a row … Started 30 games for the second consecutive year and logged a career-high 2,644 minutes … Did not play in LA's playoff run due to a torn ligament in his left knee suffered 9/30 at Colorado Rapids
2011 MLS: Set career highs with 30 appearances and 30 starts … Made 42 appearances across all competitions, helping LA keep a clean sheet in 20 of those matches … In addition to his 30 regular season appearances, also started all four of the club's postseason games, six CONCACAF Champions League games, and two games in the U.S. Open Cup … Started and played all 90 minutes in all four playoff matches, including the MLS Cup final win over the Dynamo on 11/20
2010 MLS: Appeared in 17 games, starting at left back, right back and center back … Galaxy were 11-2-1 in the 14 games that he started, keeping a clean sheet in half of those games … Scored his second career goal vs. Philadelphia Union on 5/1, scoring just 51 seconds into the match
2009 MLS: Second round SuperDraft pick by the Galaxy … Appeared in 22 games at both right and left back … Made his debut in the season opener on March 22, playing the full 90 minutes at left back … Started 16 consecutive games at right back in midseason … Scored first career MLS goal on 9/12 vs. FC Dallas … Played full 120 minutes in the Western Conference Final vs. the Dynamo … Subbed on and played all of extra time at right back in MLS Cup final
COLLEGE: Two-time national champion at the University of Maryland (2005, 2008) … Played alongside current Dynamo assistant coach Michael Dellorusso in 2005 … Appeared in 88 games (81 starts) with two assists in his college career … Helped Terrapins reach the NCAA Tournament all four years at College Park, also claiming the ACC Championship in 2008
INTERNATIONAL: Originally represented the United States and collected first two caps in January 2012 … Later switched international ties to Guam, the country of his ancestry (10 caps)