Pistons coach J.B. Bickerstaff said the referees’ “whistle has changed” after Detroit’s 112-103 Game 4 loss to the Cleveland Cavaliers on Monday night. Bickerstaff specifically complained postgame about the free-throw disparity after Cavaliers guard Donovan Mitchell attempted more free throws (15) than the Pistons did as a team (12). “It’s unacceptable. It is,” Bickerstaff said. “We didn’t do enough obviously to help ourselves, and I’ll start there. But ever since we came to Cleveland, the whistle has changed. Detroit Pistons head coach J.B. Bickerstaff argues a call with referee Courtney Kirkland (61) during the first half of Game 3 in the second round of the 2026 NBA Playoffs at Rocket Arena on May 9, 2026. IMAGN IMAGES via Reuters Connect “There’s no way that one guy on their team shoots more free throws than our team. We’re not a settle team. We’re not a jump-shooting team. We drive the ball, attack the paint.…