Career
He is currently a first baseman who is a free agent. New York Mets
He was scouted by Australian national coach Tony Harris in 2005 and eventually signed with the New York Mets in 2005 at the age of 16. In 2006, Welch made his Claxton Shield debut for the South Australia Bite where he went 0 for 1 with 3 walks.
He made his pro debut in 2007 for the GCL Mets where he batted.288 in his first season.
In 2009, he was twice selected for the Australia national baseball team In March for the 2009 World Baseball Classic, and again in September for the 2009 Baseball World Cup.
Welch spent the 2010 and 2011 seasons with the Class A-Advanced Saint Lucie Mets. Pittsburgh Pirates
The Pittsburgh Pirates signed Welch in November 2011.
He began the season with the Bradenton Marauders.
Welch"s first promotion to Double-A came in June 2012, when he was promoted to the Double-A Altoona Curve. In November 2012, Welch re-signed with the Pirates. Boston Red Sox
Welch was traded to the Boston Red Sox in early June 2013, starting with the High A Salem Red Sox.
He then got promoted to Associate of Arts in March 2014 and played the season in Portland, Maine.
He is currently playing for the Adeladie Bite in Australia and is still a Free Agent for 2015. Adelaide Bite
He is currently playing for Adelaide Bite of the Australian Baseball League.
Stefan attended Norwood Morialta High School and graduated in 2006 He also played cricket, football, and basketball for local Adelaide clubs and school teams. He still currently plays Division 1 Baseball for the Goodwood Indians His mother, Karen Young, lives in South Australia and is the Accounts Manager at Bridgewater Constructions.
She also travels with Welch to the United States supporting him and his profession.
His father Darren Welch is currently living in Washington, District of Columbia and is the Manager at Edge Concrete. He also played in the Olympics for Australia.