Takkas was the attaché to Jeffrey Webb, a former FIFA vice president and president of CONCACAF, the governing body for soccer in North America, Central America and the Caribbean, according to prosecutors.
Webb pleaded guilty to racketeering conspiracy and other charges in November 2015. He has not yet been sentenced.
Takkas was among more than 40 people and entities charged in a U.S. investigation of the payment of more than $200 million (150.68 million pounds) of bribes and kickbacks to soccer officials, in exchange for marketing and broadcast rights.
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Prosecutors said Takkas received and transmitted millions of dollars in bribes for Webb, including for the awarding of rights to qualifier matches for the 2018 and 2022 World Cups.
Takkas pleaded guilty in May. Mehler said at the time that Takkas was a "minor figure in a major case."
Takkas's sentencing came about a week after Hector Trujillo, a former judge from Guatemala, became the first person sentenced in the criminal case. Chen sentenced Trujillo, who was accused of taking kickbacks from a marketing company in exchange for his help securing media and marketing rights for World Cup qualifying matches, to eight months.
(Reporting By Brendan Pierson in New York; Editing by Bill Trott)
