Former top-10 player Mardy Fish will be the new captain of the U.S. Davis Cup team, taking over the job as the event shifts to a drastically different setup.

A person familiar with the U.S. Tennis Association’s choice told The Associated Press on Tuesday that Fish will replace former captain Jim Courier, who stepped down in September after eight years leading the Americans. The person spoke to the AP on condition of anonymity because the USTA scheduled a formal announcement about Fish on Wednesday.

The 37-year-old Fish won six titles in singles and eight in doubles as a player, earned a silver medal for the United States at the 2004 Athens Olympics in singles and competed in Davis Cup from 2002 to ’12. He made it to the quarterfinals at three Grand Slam tournaments and reached a career-best ranking of No. 7.

When Fish retired from the tennis tour in 2015 after dealing with what he described that year as “severe anxiety disorder,” Roger Federer described him as “one of the great ball strikers of the last 15 years.”

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