New York Power Welsh was drafted second overall by the New York Power of the now-defunct WUSA professional league. She scored six goals in 12 games during her rookie season.
Los Angeles Sol & Saint Louis Athletica In 2009, Welsh was selected with the 5th pick of the second round (12th overall) by the Los Angeles Sol in the WPS General Player Draft. She appeared in three games for Los Angeles before being traded to the Saint Louis Athletica on May 9, 2009. She finished the 2009 season with three goals in 11 games for St. Louis.
Washington Freedom Welsh was acquired by the Washington Freedom before the start of the 2010 season.
D.C. United After the Freedom was moved to Florida under new ownership for the 2011 season, Welsh joined
D.C. United Women originally as an assistant coach, but has attained a second role as a substitute forward.
International Amidst top U.S. players out for wage boycotts after their 1999 World Cup the national team called up the Nittany Lion striker for the
Australian Cup. In January 2000 Welsh made her National Team debut scoring against the Czech Republic in a 8-1 rout in Melbourne, Australia. Welsh took a leave of absence from school and college soccer to establish a residency with the United States Women's National Team in Florida to train. Welsh scored 11 goals in 15 games for the United States in her first significant season with the full national team. She scored 10 goals faster than any other player in American soccer history. In 2004, Welsh was a member of the U.S. Olympic Residency Training Camp. In 2005, Welsh won the Golden Boot Award as top scorer in the prestigious
Algarve Cup tournament with five goals, including the game-winning goal in the championship match against Germany. ==International goals==