Cleveland finished 15th on defense last season despite a 52-30 record, and the coaching staff has made closing that gap the stated goal for 2026-27. The preseason opener didn't settle anything, but last season's best and worst lineups show the gap is closable, if the right five are on the floor.
How bad was the defense really last season?
Cleveland finished 15th in defensive rating at 114.1 last season, while the offense ranked 6th at 118.3, good for a plus-4.1 net rating and a 52-30 record at a pace of 100.7. The gap between how the Cavaliers scored and how they stopped teams was the story of last season, and closing it is now the stated goal for 2026-27.
Did the preseason opener settle anything?
Not yet, not really. Cleveland lost 113-124 to the Celtics on October 8, and Fear The Sword's own recap said the defense leaves much to be desired. Cleveland.com had already framed the season around a defensive resurgence before that game tipped off, so one short-handed loss doesn't prove the plan is working or that it's failing.
Is there a lineup that proves it's possible?
Yes, from last season. The Mitchell-Allen-Wade-Mobley-Tyson group played 80 minutes together and posted a defensive rating of 100, pushing its net rating to plus-15.4 over seven games. It's a small sample, but it shows this roster can defend when size and length share the floor at the same time.
What's the lineup that argues the opposite?
Also from last season: the Mitchell-Hunter-Garland-Mobley-Tyson group allowed a defensive rating of 126.3 over 89 minutes, a net mark of minus-14.7. Garland is gone now, moved in the trade that brought in Harden, but the lesson still holds. Lineups built around size defend. Lineups leaning too far toward shot creation instead of size do not.
So can Atkinson actually get there?
The pieces are on the roster: Mobley protecting the rim, Allen holding the paint, Watson and Tyson giving length on the wing. The open question is health, Harden, Khalifa Diop and Nae'Qwan Tomlin were all day-to-day heading into the Magic game, and nothing about this defense is settled before the regular-season opener October 22 at the 76ers.
Why did the Cavaliers rank so low on defense last season?
Cleveland finished 15th in defensive rating at 114.1 last season, well behind a 6th-ranked offense at 118.3, even with a 52-30 record.
Can the Cavaliers actually become a top-five defense in 2026-27?
The personnel is there, last season's best lineup posted a defensive rating of 100, but health for Harden, Diop and Tomlin and continuity are still open questions heading into the regular season.
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