 During his college years Guppy also spent three seasons with the San Fernando Valley Quakes of the USL Premier Development League, helping them reach the PDL playoffs in 2007 and 2008, and making 43 career appearances overall.Undrafted out of college, Guppy signed with the Major League Soccer League-Wide Reserve Goalkeeper Pool in 2009, providing cover for any MLS team whose goalkeepers are injured.Despite training in the most part with Los Angeles Galaxy, Guppy was called up to provide cover at Chivas USA, Toronto FC and Seattle Sounders FC, but never saw any minutes in his debut professional year.