Jimmy Butler scored 28 points and Robin Lopez added a season-high 21 points and had 10 rebounds as the Bulls defeated the Philadelphia 76ers 121-108 on Sunday night.After a week of tension, the Bulls bounced back from consecutive home defeats to Atlanta and Miami despite blowing a 20-point lead.Ersan Ilyasova scored a season-high 31 points for Philadelphia, and Robert Covington added 21 points and a season-high 12 rebounds. The 76ers have lost 12 straight to the Bulls.Butler and Dwyane Wade returned to the starting lineup after being benched as starters in Friday’s blowout loss to the Heat. Wade and Butler were critical of teammates after they blew a late double-digit lead in a loss to the Hawks on Wednesday. Rajon Rondo responded to his teammates’ criticism on an Instagram post on Thursday, taking multiple shots at the team leadership. Wade, Butler, and Rondo all were fined by the Bulls.