Simply have to play better and harder, but Brad has to do a better job with this bench rotation. This is all started when he went to that main bench unit with only Tatum in there. It simply won't work, and Brad has to just admit this at this stage and better stagger the starters with the bench.
Yeah, honestly we went cold and lost the lead in the second with our bench unit.
We can't overwork our top guys, though. We need better players or more development. This isn't all on Brad.
I think that's where Hayward's injury (along with Morris' injury) hurts us the most. With a full lineup, that leaves our bench with Rozier, Smart, Tatum, Theis, and Baynes, along with letting us play more integrated bench/starter lineups always having one of Kyrie, Gordon, and Al on the floor.
We simply have to rely on too many young, inexperienced, and/or offensively inept players at the moment.
Brad just has to bite the bullet and play more integrated starter/bench lineups, even if it means less overall time with his preferred five on the court. We can't keep giving up big leads due to our lackluster bench.