Austin Henry Guerrero Loomer (born March 24, 1989) is an American professional soccer player who plays as a goalkeeper for San Diego Loyal SC in the USL Championship.
Born in Chula Vista, California, Guerrero played for prominent youth side Surf Soccer Club in San Diego, CA.
While at Surf Soccer Club, he led his team to a peak ranking of #10 nationally while winning the 2006 Region IV Championship.
[3] In 2007, in his debut season at the University of Portland, Guerrero was named to the Copa de Causeway All-Tournament Team and won WCC League Player of the Week honors on October 8,[4] registering 9 saves in a shutout against San Diego.
In his final 2010 season in Portland, Guerrero showed his class while making a career high 10 saves in a single match against Washington.
Guerrero sat in the Portland Pilots' record book[17] among prominent goalkeeping legends Kasey Keller and Luis Robles as the all-time leader in saves (346), was second in appearances (82), third in shutouts (22), and seventh in goals against average (1.17).
Altamira FC was then dissolved after the 2015 Clausura tournament, and Guerrero again sought to play for a Liga MX side.