|Date of birth||March 14, 1976|
|Place of birth||Cincinnati, Ohio, United States|
|Height||5 ft 9 in (1.75 m)|
|Playing position||Forward / Midfielder|
|1998||→ Columbus Crew (loan)||0||(0)|
|2000||El Paso Patriots||8||(3)|
|2004–2008||Cincinnati Excite (indoor)|
|* Senior club appearances and goals counted for the domestic league only.
In 1994, Yacks graduated from Anderson High School where he was a 1994 Parade Magazine High School All American soccer player. He attended Yale University where he played on the men’s soccer team from 1994 to 1997. He holds the Yale single season assists record (set as a senior) and is third on the Yale career assists list. He graduated in 1998.
In 1997, Yacks began playing for the expansion Cincinnati Riverhawks of the USISL. Yacks and many of his team mates had grown up together playing for the Team Cincinnati youth club. In July 1998, the Columbus Crew called Yacks up for a game against the Dallas Burn. He did not enter the game. On February 7, 1999, the Crew selected Yacks with the last pick (thirty-third overall) in the 1999 MLS Supplemental Draft. The Crew released him during the pre-season and he returned to the Riverhawks. In 2000, Yacks moved to the El Paso Patriots. He was injured during the season and lost the entire 2001 season. In 2002, he returned to the Riverhawks where he played until 2003. In 2004, he moved indoors with the Cincinnati Excite of the American Indoor Soccer League.