the season having appeared 30 times in all competitions. On December 5, Houston declined the option on Clark's contract, making him a free agent and ending his eleven-year affiliation with the organization. He departed the Dynamo after 175 appearances and 23 goals through his second stint with the club, bringing his all-time mark in Houston to 304 appearances and 31 goals. Columbus Crew SC On February 2, 2018, Clark joined his fourth MLS club, signing as a free agent with Columbus Crew SC. At 34 years old at the time of his signing, he became the oldest player on the Columbus roster. Prior to the season, Clark was named as part of the leadership council for Crew SC, joining Federico Higuaín, Hector Jiménez, Jonathan Mensah, Zack Steffen, and Josh Williams. The six collectively served as vice-captains behind captain Wil Trapp. Clark made his Columbus debut as a late substitute on March 10, replacing Lalas Abubakar six minutes into stoppage time of a 3–2 victory against Montreal Impact. He was on the field for less than a minute before the final whistle. On his second appearance, and first start, Clark scored his first goal for the club. From a Higuaín corner kick, he powered home the winning goal in a 3–1 victory over D.C. United. Clark played sparingly across the remainder of the season, finishing the season with one goal in 13 appearances. The club declined his contract option on November 26, but stated that they would "remain in contract dialogue" with Clark. On January 17, 2019, the two sides agreed to terms and he re-signed with Crew SC for the 2019 season. Clark officially retired from playing professional soccer on February 12, 2020. He signed a ceremonial one day contract with Houston Dynamo for the announcement. International career Clark received his first taste of international soccer with the United States U18 national team, earning six caps and scoring three goals during his two eligible years at that level. He was a key member of the squad that won the 2001 International Tournament of Lisbon, where he started all three matches. Clark was bumped up to the United States U20 national team at the start of 2002, earning his first cap at that level on January 10 as part of a 1–0 victory over Canada. He was named in the squad for the 2002 C.O.T.I.F. XIX Torneig Internacional, helping the Americans