With the season winding down, they must win their remaining games, usually against superior teams.
They dissect their seasons, measure them against each other, and forecast how many games they must win to earn an NCAA Tournament invite.
To do so, they must win either a majority of votes overall or take a two-thirds majority in three out of the 18 provinces.
The Bulls can now jump to fourth place in the final round of matches - but they must win at Castleford and hope Warrington slip up against Huddersfield.
Proponents of change may have the edge, but they face a stiff hurdle: they must win a majority in 60% of constituencies as well as the votes of 60% of all those who turn out.
They must win at Upton Park to have any hope of survival but if Hull get a point at home to Manchester United and Newcastle, who they are two points behind, win at Villa, they are definitely down.
England have yet to score a bonus point - for scoring four or more tries in a match or for losing by less than seven points - and though defeat to Samoa would not mean automatic failure to qualify, realistically they must win.
They must now win in Mozambique next month to make sure of a fourth consecutive appearance in the World Cup finals.
One of the men they must stop if they are to win their first trophy is Burkina Faso's Bertrand Traore, who has scored three goals so far.
In order to win they must trust others and collaborate with them.
They get sent down to the Football League Championship, or the second division, and must compete there until they win promotion again.
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She's hardly alone: With 29 of history's 30 biggest mergers occurring since 1997, lots of bosses must think they'll win.
While Republicans are benefiting from the white-hot energy generated by the Tea Party movement, they must broaden their appeal to win back the White House or majorities in Congress.
Since there will be stiff political resistance to a bank clean-up no matter what, Mr Koizumi and Mr Takenaka must make certain they win on this point before doling out any public-spending goodies.
It is a result that will ring alarm bells for the party leadership - Delaware is one of a handful of states where the Republicans must win if they are to seize control of the Senate, he adds.
The game was not as dramatic as Everton's recent home success against Chelsea and Manchester United but it is matches against the struggling sides that David Moyes' team must win if they are to qualify for Europe once again.
Glenavon do not have a great record on the Shore Road, but they must have thought they had laid the foundations for an away win when they went two goals up inside 18 minutes.
Most of the estimated 11 million undocumented immigrants in the US are Hispanic, and members of the Republican Party have acknowledged they must support some kind of immigration deal if they hope to win more Hispanic votes, analysts say.
Even as they fight to win, Labour must prepare for what comes after defeat.
However, Schmid says the club must now treat every game as a must-win if they are to have any chance of surviving in National One.
For Villa it was a must win situation if they hoped to relieve some of the pressure that the relegation battle had brought to bear on the club.
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According to the Times newspaper, Mr Bercow, who is shadow chief secretary to the treasury, wrote in his letter to party members in his Buckingham constituency that the Tories must change if they want to win the next election.
Swedish firms like Skandia, the Nordic region's biggest insurer, which have been doing much more business in the United States, say they must pay world-class salaries to win the best talent.
Exeter came from a goal down in the must-win game, ensuring they finished two places above the relegation places.
Four years ago they won an important toss in a must-win match against South Africa in Barbados only to limp to 154 in 38 overs, and were heavily beaten.
Who must the Welsh government win over if they're to get their hands on the items on yesterday's shopping list?
The two sides meet at Chester-le-Street in Durham on 14 May in the second and final Test which West Indies must win to retain the Wisden Trophy they regained this year.
The must-win scenario will continue Sunday when they face the Rangers in New York.
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