Dorsey was one of the top performers in the NCAA tournament, leading the Ducks to the Final Four. He averaged 23.8 points and shot 59.7 percent from the field and 60.6 percent from 3-point range in Oregon's five NCAA tourney games.
"When I arrived at Oregon almost 2 years ago, my goal was not only to be one of the best scorers and lead guards in college basketball but also to lead the Ducks to winning heights never seen in recent memory," Dorsey said in a statement. "After participating on a Duck team that reached the Final 4 as well as leading the NCAA tourney in scoring, it was one of the best experiences of my life and I'm truly blessed to have those memories.
"After this great college experience, I believe this is the time to pursue my dream of a NBA career and I am now announcing my intention to declare for the 2017 NBA Draft with an agent. I have carefully deliberated this decision with my family and feel the timing is now right to pursue my path to a professional basketball career."
Dorsey, a 6-foot-4 sophomore from Los Angeles, is ranked No. 53 on ESPN Insider Chad Ford's latest Big Board for the upcoming NBA draft. He averaged 14.6 points on the season.