David John Welch (born 2 June 1983, in Sydney) is an Australian professional baseball pitcher in the who is a free agent.
He was promoted to the Class-A West Virginia Power in 2006, where he was tied for the South Atlantic League lead with one shutout.
Welch's 2007 season was spent with the Class-A Advanced Brevard County Manatees where he allowed the fewest baserunners per game by a starter in the Florida State League (FSL).
Welch threw a no-hitter against the Adelaide Bite in game one of the preliminary final series, the first in Australian Baseball League history.
[4] In 2009, he was selected to play in the 2009 Baseball World Cup and posted an Australian record 13 strikeouts in only 7 innings against Chinese Taipei.