The Duke Blue Devils landed one of the top overall players in the transfer portal during this year’s cycle in the form of John Blackwell. Blackwell — a 6-foot-4, 203-pound guard — is one of the top scorers who were made available this offseason. Last season at Wisconsin, Blackwell lit up the stat sheet, averaging 19.1 points and 5.1 rebounds per game while shooting 43 percent from the floor, and 38 percent from downtown.  Mar 19, 2026; Portland, OR, USA; Wisconsin Badgers guard John Blackwell (25) drives to the basket against High Point Panthers guard Chase Johnston (99) during the second half of a first round game of the men's 2026 NCAA Tournament at Moda Center.…