He is the only man to finish four Ironman events in less than eight hours.
It measures 5, 500 miles and is the only man-made object observable from the moon.
Tom Feeney may be the only man more influential in Florida than football king Bobby Bowden.
Fey seems to have been the only man in Germany unaffected by the war.
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Alongside him was Scot Gary Orr, the only man to match Parsons' 67 on the final day.
The hero (probably the only man who could have made this project work) was James Augustus Henry Murray.
His friends were international and to them he seemed the only man who could hold the country together.
"I think Rob was the only man for the job, " said the centre-back.
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He must be the only man in Scotland with the unique tattoo of SCOTTLAND (with two Ts) on his arm.
She also said Dutroux was the only man she saw throughout her captivity and the only person who abused her.
Mr Buyoya argues that he is the only man who can pull this off, as the Tutsi generals trust him.
And Bryce was the only man to hint at a reply, flashing his shot over from the edge of the area.
Hurst is still the only man to achieve the feat, although it is also arguably the most contentious hat-trick of all-time.
We thought that only man could make something as forbidding as a slag heap, but apparently gods are capable of ugliness, too.
Megrahi, the only man convicted of the 1988 atrocity in which 270 people died, was released from prison in 2009 on compassionate grounds.
"He is the only man that can lead this country in the time that we're in now, " said Will Barfoot of Montgomery, Alabama.
Megrahi, the only man convicted of the 1988 atrocity in which 270 people died, was released from prison last year on compassionate grounds.
Zambia's coach Herve Renard, the only man handling a team going to next month's Africa Cup of Nations in Angola, was clearly disappointed.
Western Force number eight Ben McCalman is the only man in the starting XV who has not played at the Millennium Stadium before.
Fittingly, one of the first to laud him was his great friend Tendulkar, the only man who can reasonably claim to have outshone Dravid.
And Neil Carter, the Bears' only man in double figures in the first innings, again weighed in with valuable runs, making a typically rapid 73.
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Nadal triumphed 6-1 6-1 6-1 to move within two wins of joining Bjorn Borg as the only man to win four successive Roland Garros titles.
It is said that Ali believed that Smith was the only man capable of playing the part and on this evidence, the former champion is no mug.
The forward has netted 11 goals in his last 15 league matches, and is the only man to have scored for South Africa in nine games (scoring four).
O'Shannessy gave an example of a more typical Nadal match: the 2010 French final against Robin Soderling, the only man to beat Nadal in Paris (that was in 2009).
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The Penguins won the Stanley Cup in the 2008-2009 season, making Lemieux the only man in history to have won Stanley Cups as both a player and an owner.
Gough - still the only man to take 200 wickets for England in one-day internationals - was only fit enough to appear in half of Yorkshire's Championship matches this summer.
Derek Riordan levelled on the stroke of half time but, in a second 45 minutes packed full of goal-scoring chances for both sides, Vernon was the only man to find the net.
McRae guided St Helens to the League and Cup double in 1996 and was the only man to hold the position of head coach throughout the first nine seasons of Super League.
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