The Boston Celtics and Cleveland Cavaliers are not scheduled to play each other on April 28, 2026, as both teams are competing against different opponents in the 2026 NBA Playoffs. The Celtics are playing the Philadelphia 76ers, while the Cavaliers face the Toronto Raptors, with official schedules and streaming options available on official NBA and partner sites. For the full, up-to-date schedule and official viewing options, visit NBA.com . 2026 NBA Play-in, Playoffs & Finals Schedule