The Jazz gamble that Grayson Allen is ready to drop his antics while keeping his toughness

Personnel evaluators aren’t big fans of Pro Days: One-on-none drills don’t say much about whether a prospect is ready for the NBA.But as Utah Jazz officials Dennis Lindsey and David Morway sat in the stands in Thousand Oaks, Calif., watching a number of these workouts, they got a text that actually mattered.“Grayson at 21?”It came from Donovan Mitchell, their star acquisition in last year’s draft who was also on hand for the workouts — Grayson Allen and Mitche