He previously played in Major League Baseball from 2003-2009 for the Montreal Expos, Washington Nationals and Seattle Mariners. He bats and throws right-handed. Montreal Expos/Washington Nationals
Corcoran signed with the Montreal Expos on June 21, 2001, as an amateur free agent.
After starting the 2003 season at Single-A, Corcoran advanced through Double-A and made two appearances in Triple-A before making his major league debut on July 30.
He spent the next three years in the minors with the Expos and stayed with them after they became the Washington Nationals. Corcoran appeared in a few games in the 2004 and 2006 seasons.
Corcoran was granted free agency after 2006, and signed a minor league contract with the Florida Marlins on January 4, 2007. Corcoran spent all of the 2007 season with the Marlins Triple-A affiliate, the Albuquerque Isotopes, becoming a free agent at the end of the season.
On November 21, 2007, the Seattle Mariners signed Corcoran to a minor league contract and invited him to spring training.
Corcoran had a career-best year in 2008. In 50 appearances, he had a 6-3 record, 3.22 European Research Area, and 39 strikeouts. The Mariners designated Corcoran for assignment on July 24, 2009.
Corcoran was 2-0 with a 6.16 European Research Area in 16 games in 2009.
He had a six-week stint on the disabled list with a strained neck. Houston Astros
On August 5, 2009 Corcoran signed a minor league contract with the Houston Astros that included an invitation to spring training.
He played for the Triple-A affiliate Round Rock Express. He was granted free agency after the 2010 season.
Los Angeles Dodgers
He signed as a free agent with the Los Angeles Dodgers on July 4, 2011.
He appeared in 2 games for the Associate of Arts Chattanooga Lookouts and 19 games for the American Automobile Association Albuquerque Isotopes, finishing a combined 1-3 with a 6.81 European Research Area.