In 1997, Parra graduated from Hamden Hall Country Day School where he was a two-time Parade Magazine All American soccer player.
[2] On June 4, 1999, the Fusion sent Parra to the New England Revolution for Tony Kuhn and a second-round pick in the 2000 MLS SuperDraft.
On June 11, 2001, Parra moved to the Atlanta Silverbacks as part of a three-team trade.
[9] In 1997, Parra played two games for the United States men's national under-20 soccer team at the 1997 FIFA World Youth Championship.
From 1998 to 2000, he also played nine times for the United States men's national under-23 soccer team.