Fresh off winning his second state championship in three seasons at DeSoto (Texas) and adding another All-American honor to his prolific high school resume, USC freshman receiver Ethan “Boobie” Feaster immediately went back to work a week later.  Feaster has always been goal-oriented. He began writing down his ambitious football goals when he was six years old and today, Feaster puts his goals on his bathroom mirror. The focus after wrapping up his high school career in late December immediately turned to getting ready for his career at Southern Cal.  USC Trojans freshman receiver Boobie Feaster and USC coach Lincoln Riley | Courtesy of Boobie Feaster Offseason Training in Texas  Former Oklahoma State and Dallas Cowboys star receiver Dez Bryant has been incredibly complimentary of Feaster on social media. He’s also been a mentor for the USC freshman receiver.  “Everybody wanted to be Dez at one point,” Feaster said. He’s a real genuine guy. It’s a good thing that he’s around me.…