Complex sentence: Borman made his professional debut on April 5,2008, coming on as a half time substitute against Columbus Crew, and scored his first Major League Soccer goal against the LA Galaxy on May 10,2008 in the 21st minute.
Split into simpler sentences: Borman made his professional debut on April 5,2008, coming on as a half time substitute against Columbus Crew. He then scored his first Major League Soccer goal against the LA Galaxy on May 10,2008 in the 21st minute.