Conor Benn will headline his first ever show when he defends his WBA Continental Welterweight title against Jussi Koivula as the JD NXTGEN series returns to the legendary York Hall in Bethnal Green on Friday June 21, shown live on Sky Sports in the UK and DAZN in the US. Benn (14-0, 9 KOs) follows in the footsteps of his father Nigel, a …