The 28-year old midfielder has joined SKC for the 2015 MLS season and will occupy an international roster spot it has been announced.
"I am very excited to be back in MLS and playing for Kansas City," Marcelin told the club's official website.
"I know the team well and have a lot of friends that have played there. They won the championship in 2013 and I'm looking forward to helping them win another. Sporting KC is one of the great teams in MLS and I can't wait to get started with them."
Sporting Kansas City (@SportingKC) December 16, 2014
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