Wisconsin guard John Blackwell declared for the NBA draft on Thursday after enjoying a solid sophomore season.Blackwell said he would retain his college eligibility in case he decides to pull out of the draft.”My goal has always been to play in NBA, and going through the process will take me one step closer to my dream,” Blackwell said on social media.Blackwell made it clear he doesn’t want to play for another college or enter the transfer portal.”If I decide to wait another season before playing at the next level, I plan to come back to play for Coach (Greg) Gard in Madison,” Blackwell said. “One a Badger, always a Badger!”