Kiselak attended Pine Bush High School, where he played as a two-way player. He also practiced baseball. He accepted a football scholarship from the University of Maryland to play under head coach played for Bobby Ross. He began his college career playing on defense as a defensive tackle. As a sophomore, he registered 16 tackles, one interception and one quarterback sack at nose guard. As a junior, he was converted into a guard to improve the offensive line depth and started the last seven games. He was a regular starter as a senior and after his game against Wake Forest University, he was named the Atlantic Coast ConferenceOffensive Lineman of the Week.
Professional career
Kiselak was signed as an undrafted free agent by the Kansas City Chiefs after the 1990 NFL Draft on May 1st, and was waived on August 27. In 1991, he was selected by the San Antonio Riders in the fourth round of the WLAF Draft, playing in the inaugural season of World League of American Football. He started as an offensive tackle protecting the future Dallas Cowboys head coach Jason Garrett. On July 16, 1991, he signed with the Houston Oilers. He was released on August 19. In 1992, he signed with the Riders and was named the starter at offensive tackle. On June 2, 1992, he was signed by the New York Giants. He was cut on August 24. On April 7, 1993, he signed with the Sacramento Gold Miners of the CFL, where he was converted into a center. After two years he signed as a free agent with the San Antonio Texans and played with them until the team folded. He was selected by the Saskatchewan Roughriders in the 1996CFL Dispersal Draft. On April 4, 1996, he was traded before the season started to the Toronto Argonauts in exchange for offensive tackle John Terry. Kiselak played center for the Argonauts, where he protected Doug Flutie and helped the team win two Grey Cups. He was an All-Star and received the CFL's Most Outstanding Offensive Lineman Award in consecutive years. In 1998, he seized the opportunity and moved to the NFL to play for the Dallas Cowboys. He made the team as a 31-year-old rookie, after showing he could play three different positions. He passed Clay Shiver on the depth chart, starting the last 7 games at center. In 1999, he was placed on the injured reserve list, after suffering a career threatening left knee injury during the first full-team workout on July 30. In 2001, he came back from his knee injury and was selected in the 14th round of the XFL supplemental draft by the San Francisco Demons. He was a starter at center until the league folded.
