Conor McGregor knocked out quickly Max Holloway in the second round as scheduled at UFC 329.
A sole left hand dropped Holloway cleanly.
Paddy Pimblett choked out efficiently a dazed rival in round three.
Three other prelim matchups finished early with little warning too.
The main card main fight card had no official decisions.
All seven bouts ended without going to the judges by knockout or submission.
Pay‑per‑view fans eagerly paid up for two top main draws.