A native of Whittier, California, Flores graduated from El Rancho High School in Pico Rivera, California and is the younger brother of fellow major leaguer Randy Flores. He went on to attend the University of Southern California (USC), playing college baseball for the Trojans from 1998 to 2001.
Flores, a native of Whittier, California, graduated from El Rancho High School in Pico Rivera, California and is the younger brother of fellow major leaguer Randy Flores. He attended the University of Southern California (USC), playing college baseball for the Trojans from 1998 to 2001.