A Lambert Hillyer silent romantic love triangle boxing sports lumberjack logging melodrama about a world champion boxer who must retire due to an arm injury. He becomes a lumberjack, and becomes involved with the daughter of the owner, but rivals sabotage their operation, and the boxer has to return to the ring to save the owner from bankruptcy and win the hand of the daughter.
Unfortunately the movie The Knockout is not yet available on HBO Max.
| Writing | Earle Snell | Co-Writer |
| Crew | Roy Carpenter | Cinematography |
| Directing | Lambert Hillyer | Director |
| Editing | Arthur Tavares | Editor |
| Writing | Joseph F. Poland | Co-Writer |
