Whether she is playing in the Olympics or signing autographs for her adoring fans Tiffeny does it with energy and concern. She has given so much back to the game and continues to encourage young soccer players everywhere to follow their dreams. Professionally, Milbrett began her career in Japan, when she traveled to after graduating in 1995 and joined the Shiroki Serena of the L. League. She played on that team until 1997. In 2001, she became a founding member of the New York Power in the Women's United Soccer Association (WUSA). She was the league's MVP as well as Offensive Player of The Year. She scored the league's first hat trick ever, when the Power beat the Boston Breakers 3-1. She was named to the WUSA's second team in 2002, when she finished eighth in the league in points. In March 2005, Milbrett went to Sweden for two months to fine tune her game, scoring five goals for Sunnanå SK during her brief stint. She also played for Linköpings FC in the Swedish Damallsvenskan, having transferred there from the Vancouver Whitecaps Women of the United Soccer Leagues W-League. In March 2009, Milbrett was selected to play with FC Gold Pride of the new Women's Professional Soccer and began play in April 2009. In her first appearance with FC Gold Pride, she scored the game-winning goal. For the 2009 season she scored 4 goals in 19 games.