A three-time All-Solano County League honoree Geno helped Rodriguez High School to three straight CIF postseason appearances. As a senior he lead the team in hits and doubles while hitting .426 with five home runs and 29 RBI. In 2008 he was listed as Baseball America’s No. 31 high school prospect. He was drafted by the Milwaukee Brewers in the 2009 MLB first-year player draft.