BBC Sport - Six Nations: Did Johnny Sexton drop-goal set Ireland on course to be champions?

The defining moment of the Six Nations?

Watch the moment Johnny Sexton's overtime drop-goal gave Ireland victory over France in their opening game in Paris to set them on course for the 2018 Six Nations title.

WATCH HIGHLIGHTS: Ireland beat Scotland to become Six Nations champions

READ MORE:Henderson returns for Ireland's Grand Slam bid

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