Club
Huffman was a member of the 2007 W-League champion, Washington Freedom.
In 2008, she played for Norwegian team, Røa IL, and helped the team win the Norwegian Women's Cup.
In 2009, Huffman was the number one pick in Round 1 of the 2008 WPS General Draft and signed with the Washington Freedom in Women's Professional Soccer. Under new ownership, the team moved to Florida and was renamed magicJack (WPS).
In 2012, after the WPS folded, Huffman signed with the Pali Blues in the W-League. She helped the team to an undefeated season and the Western Conference championship title.
In 2013, Huffman signed with the Western New York Flash.
April 5, 2014 Huffman was traded with a player to be named later to the Portland Thorns for Courtney Wetzel, Kathryn Williamson, and a first-round pick in the 2015 NWSL College Draft. That pick later became Jaelene Hinkle. Huffman had earlier decided to live in Portland in the house she bought with her spouse Abby Wambach, who will play 2014 with Western New York Flash. April 7, 2014, Portland Thorns revealed that the player to be named later was Verónica Boquete.
On November 18, 2014, Huffman announced her retirement from professional soccer.
