If no one wins 50 percent of the vote, the two top challengers will face each other on Dec. 7.

None of the three American teams has shown as solid a performance as the top challenger.

The candidates who find the most needles - that is, the likely caucus-goers - get anointed as front-runners and top challengers.

By that time, Basora had been ranked as the world's top Middleweight challenger for some period.

Meanwhile, around the country, Duke's top challengers for No. 1 also won on Saturday.

The survey also showed that President Clinton would defeat any of the top Republican challengers if the election were held today.

Boxing is going to return to the 1940's and 1950's if we don't have the top challenger fighting for the title.

The top presidential challengers, meanwhile, continued to cry foul.

For 2006 they were expected to be the top challengers to Newman/Haas Racing.

There is another, less romantic reason why Chavez is the top challenger, Sulaiman said.