The Romney campaign, looking to score a knockout blow, had devoted last-minute resources to Alabama and Mississippi.

WSJ: Santorum Wins Alabama, Mississippi Primaries

In a sign of their growing power, dads out to end the stereotype recently scored a knockout blow against a pair of TV ads.

CNN: June 15, 2012 -- Updated 1120 GMT (1920 HKT)

This is the case that may deliver a knockout blow to business method patents, those patents that everybody from free-software zealots to conservative Republicans love to hate.

FORBES: Bilski May Take Down Business Method Patents With Him

With nothing else to play for, New Jersey would surely love to deliver the knockout blow to New York for the second year in a row.

WSJ: Devils eliminated from playoff race with loss