The Huskies had a special — if familiar — visitor on Tuesday.  Four days after hearing his name called in the second round of the 2026 NFL draft, Denzel Boston was back on Montlake during Tuesday’s spring practice. Boston, who was selected by the Cleveland Browns with the No. 39 pick, was all smiles on the sideline as he joked with the coaching and training staff.  But Boston’s presence at practice Tuesday was also a reminder of exactly what the Huskies are losing entering 2026. For two seasons, the 6-foot-4, 212-pound wide receiver was Washington’s premier perimeter target — offering quarterback Demond Williams Jr. a capable No. 1 option whose size and strong hands made him a useful option in a wide range of situations.  “Just a great, motivational guy,” Williams said on April 23. “He comes to work every day ready to work. Brings energy every single day.…