Former two-time heavyweight champion champion Michael Moorer began his comeback in spectacular fashion by knocking out "Twin Tyson" Cliff Couser just 96 seconds into their bout © fightnews.com

Seminole Warriors Boxing's "Night of the Heavyweights" turned out to be a night of knockouts as all four featured heavyweight bouts at the Seminole Hard Rock LIVE Arena in Hollywood, Florida, ended in knockouts.

In the main event, former two-time heavyweight champion Michael Moorer (48-4-1, 38 KOs) scored a spectacular first round knockout over Cliff Couser (26-11-2, 14 KOs) in his first ring appearance in two years. Moorer exploded off the ropes with two right hooks to knock Couser cold at 1:36. Couser was given oxygen after the bout and appeared to be OK a few minutes later. Moorer said he's not that far from winning a heavyweight title.

Former WBC heavyweight champion Oliver McCall (49-8, 36 KOs) scored a seventh round knockout over Yanqui Diaz (13-5, 8 KOs). McCall brought a sudden and dramatic end to the bout with a left hook followed series of three crunching right uppercuts that dropped Diaz for the count at 2:28. McCall is currently rated at WBC #5.

After a slow start, unbeaten heavyweight Roman Greenberg (24-0, 17 KOs) dropped Steve Pannell (34-11, 28 KOs) three times in round three to get a knockout win at 2:23.