It's sporting culture to try and get an edge over your opponents - sometimes by any means possible.
For the United States football team, they just needed a helping hand from Mother Nature in their World Cup qualifier against Honduras.
Much of the US has endured a cold snap in recent days, and Minnesota was certainly on the chilly side, with temperatures falling as low as -16 degrees Celsius, plus a -14C wind chill at the Allianz Field.
For the Honduras players, more used to a tropical climate, the big freeze proved too much, as a couple of players ended up with hypothermia and others on an intravenous drip after the game.
How did Honduras react to the big chill?
“Soccer shouldn’t be endured this way. I've got all my players getting treatment, some players getting an IV,” said manager Hernan Dario Gomez.
He said before the match: "The game hasn't started, but I can't wait for it to end. Because it's not for enjoying, it's for suffering."
The weather was understood to be the coldest in US team history and in violation of USSF guidelines for safe outdoor play.
The Americans did at least provide thermal head coverings for the Honduras players to wear during the match.
The US didn't suffer as badly in the cold?
No, they controlled the match with more than 70 per cent possession, and goalscorer Walter Zimmerman said: “Once you get in that game mode, you just are out there competing, and that’s all that really matters.”
Coach Gregg Berhalter praised the more than 19,000 fans who braved the elements.
"It's easy on a night like tonight to just stay home and sit in front of the TV and stay warm in your living room, but these fans came out and came out with energy."
Berhalter defended the USSF decision to play the match in Minnesota and pointed to the conditions his players endure when travelling to Central America.
“When we go down to those countries and it’s 90 degrees and 90 per cent dew point and it’s unbearable humidity and guys are getting dehydrated and cramping up and getting heat exhaustion, that’s the nature of our competition."
Berhalter has a point about the different conditions, doesn't he?
Yes, there are many areas of the world where the home side has a climatic advantage.
One of these is Bolivia, who play their home matches at high altitude. The Estadio Hernando Siles in La Paz stands at almost 3,700 metres, and Brazil's Neymar described playing there in 2017 as "inhumane", as his team needed to recover afterwards with oxygen masks.
As for wrapping up warm, seeing players wear extra clothing didn't go down well with legendary former Manchester United manager Sir Alex Ferguson.
United's players were reportedly told by Ferguson that snoods (neck warmers) would not be tolerated at the club.
"Real men don't wear things like that," Ferguson told The Sun.
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US hit by nor'easter storm
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A person snowboards while being pulled by a pick-up truck in Providence, Rhode Island. The north-eastern US was hit by a winter storm on Saturday that threatened to drop more than 60cm of snow. AP -
Snowflakes sit on the eyelash of resident Chris Andrade as he clears snow from a pavement in Providence. AP -
Resident Mike Ratcliffe shovels snow from his driveway in Providence. AP -
Mr Andrade clears snow from the pavement. AP -
A snow plough clears snow during a blizzard in Boston, Massachusetts. Bloomberg -
A state of emergency was introduced across the US north-eastern region owing to the snowfall. AP -
Snow covers rental bikes in Manhattan after a powerful nor'easter storm hit the region in New York City. Reuters -
A skier launches from a ramp in Boston Common, Boston. AP -
Forecasters watched closely for new snowfall records, especially in Boston, where the heaviest snow was expected late on Saturday. AP -
People walk on State Street, in Boston. AP -
Snow outside Faneuil Hall, in Boston. The storm prompted airlines to cancel about 6,000 flights at the weekend. AP -
People enjoy snow at New York's Central Park. Reuters -
A person walks on Beacon Street during heavy snow, in Boston. AP -
People go sledding in Prospect Park, in the Brooklyn borough of New York. AFP -
New York was bracing for another 30cm of snow. AFP
