He was First-Team All-Gulf South Conference and was Rocky Mountain Athletic Conference Pitcher of the Year. Sergio was drafted by the San Francisco Giants in the 28th round of the 2005 MLB Draft. He made his professional debut for the Giants in 2008 and has played there ever since. Romo was selected as an MLB All-Star in 2013. He won two World Series Championship with the Giants in 2010 and 2012 and won the This Year in Baseball Setup Man of the Year Award in 2012. In 2013 Romo signed a two year $9 million deal with the Giants.