What former Tennessee wing Dalton Knecht said Wednesday night at the Barclays Center in Brooklyn after being picked at No. 17 overall in the NBA Draft by the Los Angeles Lakers: What drives him in his basketball career “I’d say my ‘why’ is just I feel like I’ve been underrated my whole entire life, ever since I was coming out of high school. So I’ve always had a chip on my shoulder and to this day I’ll always have that chip on my shoulder to go out there and prove people wrong.” His message to players that might be coming out of high school without a scholarship offer to play basketball at the…