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- on the ropes
- Boxing: On the verge of defeat. Refers to a boxer who has been knocked against the ropes that enclose the boxing ring and kept there by the blows of his opponent. OED cites the boxing usage to 1958, figurative use to 1970.
- one-two (punch), the old one-two
- Boxing An attack consisting of two punches in rapid succession with alternate hands. OED cites boxing usage to 1811, figurative usage to 1948. The phrase the old one-two is cited in 1960, but quotes it from "a more vulgarly robust age".
- out for the count
- See down for the count, above.
Read more about this topic: List Of Sports Idioms