Tales from the Crypt (1989)

S6E5 The Pit

In a heated rivalry, two men prepare for a long-anticipated grudge match. However, the true conflict arises from their bickering wives. As the men discover they don't actually despise one another, they hatch a plan to pit their spouses against each other in the ring. Enlisting the help of a Las Vegas showman, they arrange for a live televised boxing match featuring their feuding wives, turning their rivalry into an unexpected spectacle for all to see.