Ben Simmons’ absence from this postseason has garnered the most glaring spotlight of all. Before the Celtics series began on Easter Sunday, league sources told B/R the 25-year-old three-time All-Star and Nets personnel were confident he was on track to play as early as Game 3. Then his purported timeline became Game 4. That is until Sunday, when Simmons informed Brooklyn staffers he was experiencing back soreness, one day before Monday’s fateful Game 4 defeat.