Trailing 10-6, the Saints surprised the Colts by starting the second half with an on-side kick.

VOA: standard.2010.02.08

So things are not... I haven't given you the numbers for the middle but... So you can see that whoever it was who said, you're slightly better off, you score with slightly higher probabilities when you kick to your natural side is exactly right.

所以事情不像是……,我虽然没有给出中路的概率,但是,我们先不管这些数字到底是谁总结的,我们发现我们走运了,当你从自然方向攻门的时候,你进球的概率会稍微提高

耶鲁公开课 - 博弈论课程节选

As predicted, Argentina's scrum was massively superior to England's and the Pumas' dominance gave Rodriguez another chance to kick his side ahead but he squeezed his effort wide.

BBC: England 16-9 Argentina

Edwin De Graaf bulleted a drive over from 25 yards and Derek Riordan sent a free-kick into the side-netting.

BBC: Garry Brady, Craig Dargo and John Potter celebrate

If not, the other team gets great field position as they would if they had recovered an on-side kick.

FORBES: NFL's Elimination of Kick-Offs: Selfless Concern or Self-Preservation