There are high school basketball players, and even parents, who cringe when a coach says, “You’re playing with the junior varsity.” Yes, times have changed. The days of varsity programs using JV teams to build up their programs are largely gone. Freshmen with potential end up playing varsity. Others are put on frosh-sophomore teams trying to develop chemistry with other freshmen. The attitude of players and parents alike is: Playing JV isn’t cool. But those looking to be developed and perhaps get better when their inevitable growth spurt kicks in are missing out on what JV basketball...